Manufacturers Index - Blanchard Machine Co.
Blanchard Machine Co.
Boston, MA; Cambridge, MA, U.S.A.
Manufacturer Class:
Metal Working Machinery & Steam and Gas Engines
This page contains information on patents issued to this manufacturer.
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USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
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DATAMP = Directory of American Tool And
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on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
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1,079,304
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Nov. 18, 1913
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Mounting Of Abrasive Wheels
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Henry K. Spencer |
Dorchester, Suffolk County, MA |
Original application filed 21 Sept., 1911. Divided and the application filed 16 Dec., 1912. |
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1,125,198
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Jan. 19, 1915
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Magnetic Chuck
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Henry K. Spencer |
Dorchester, Suffolk County, MA |
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1,182,861
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May. 09, 1916
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Metal Working Tool
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Henry K. Spencer |
Dorchester, Suffolk County, MA |
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1,486,844
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Mar. 11, 1924
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Abrasive Wheel Dresser
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Henry K. Spencer |
Watertown, Jefferson County, MA |
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1,535,080
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Apr. 21, 1925
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Means For Controlling Feeding Mechanisms
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Henry K. Spencer |
Watertown, Middlesex County, MA |
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1,544,695
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Jul. 07, 1925
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Magnetic Holding Device
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Henry K. Spencer |
Watertown, Middlesex County, MA |
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1,548,562
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Aug. 04, 1925
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Means For And Method Of Handling Work Pieces
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Henry K. Spencer |
Watertown, Middlesex County, MA |
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1,548,563
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Aug. 04, 1925
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Means For Handling Articles
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Henry K. Spencer |
Watertown, Middlesex County, MA |
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1,568,024
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Dec. 29, 1925
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Magnetic Holding Device
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Henry K. Spencer |
Watertown, Middlesex County, MA |
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1,599,374
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Sep. 07, 1926
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Grinding Machine
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Harold F. Skillings |
Allston, Suffolk County, MA |
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1,604,323
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Oct. 26, 1926
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Magnetic Holding Device
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Henry K. Spencer |
Watertown, Middlesex County, MA |
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1,628,618
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May. 10, 1927
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Means For Handling Articles
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Henry K. Spencer |
Watertown, Middlesex County, MA |
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1,698,685
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Jan. 08, 1929
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Abrasive Wheel
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Henry K. Spencer |
Winchester, Middlesex County, MA |
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1,767,321
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Jun. 24, 1930
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Abrasive Wheel
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Harold F. Skillings |
Cambridge, Middlesex County, MA |
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1,996,980
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Apr. 09, 1935
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Rotary Abrading Tool
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Harold F. Skillings |
Arlington, Middlesex County, MA |
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2,751,722
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Jun. 26, 1956
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Gauging Device For Surface Grinder
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Harold F. Skillings |
West Medford, Middlesex County, MA |
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