If you find a patent number or patent date by this manufacturer that is not on this
list, please contact the Site Historian.
Key to Links for Patent Information
USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
a special TIFF viewer must be installed with your browser in order properly work.
More information on how to configure your computer to view these patents can be
found at TIFF image Viewers
for Patent Images.
DATAMP = Directory of American Tool And
Machinery Patents . A sister site to VintageMachinery.org with information
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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702,011
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Jun. 10, 1902
|
Device for Removing Broken Taps
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John Kinvall |
Worcester, Worcester County, MA |
Rufus B. Goode, patent attorney. |
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930,662
|
Aug. 10, 1909
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Nurling-tool
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Arthur W. Graham |
Providence, RI |
This device was featured in the 1917 "Turret Tools" catalog from Bardons & Oliver of Cleveland. It is described as "Graham's patent". An article in the 1909-04-01 The Iron Age (page 1058) shows this tool, made by Graham Manufacturing Co. of Providence, RI.
This is one of only two patents granted to Arthur W. Graham, the other being a 1909 valve patent, 944,416, that was assigned to Builders Iron Foundry |