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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618,578
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Jan. 31, 1899
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Alternating current motor
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Edward C. Newcomb |
Brookline, Norfolk County, MA |
We have seen this patent date on an electric motor badged by Canedy-Otto Mfg. Co. and believed to have been manufactured by Emerson Electric Co. We do not know if both this patent and 618,579 are used by that motor, or just one of them. |
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618,579
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Jan. 31, 1899
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Commutator short-circuiter
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Edward C. Newcomb |
Brookline, Norfolk County, MA |
We have seen this patent date on an electric motor badged by Canedy-Otto Mfg. Co. and believed to have been manufactured by Emerson Electric Co. We do not know if both this patent and 618,578 are used by that motor, or just one of them. |
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745,772
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Dec. 01, 1903
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Induction-motor
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Donald M. Bliss |
Brookline, MA |
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860,116
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Jul. 16, 1907
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Motor-clutch
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Herbert A. Balcome |
Boston, MA |
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860,124
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Jul. 16, 1907
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Switch
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Donald M. Bliss |
Brookline, MA |
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860,132
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Jul. 16, 1907
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Signal-drop
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Henry J. Heeney |
Boston, MA |
"The present invention relates to a signal drop of the kind commonly used in connection with telephone switch boards..." |
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1,108,087
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Aug. 18, 1914
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Dynamo
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Egmon Max Tornmin |
Newton Center, MA |
"The present invention relates to dynamo electric machines and more especially to direct-current lighting machines." |