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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138,166
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Apr. 22, 1873
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Improvement in grain-drills
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Jacob King |
Indianapolis, IN |
"Two iron side boxes vertically pivoted to a central one, the whole formed of upper and lower halves bolted together; in each is a pinion on a horizontal axis; the device to be placed at the apex of a triangular frame. Motion given to the central pinion by a rod passed into it from gearing on a front bearing-wheel. Other rods passed into the side pinions give rotation to the seed-cup boxes on the side of the frame and permit angular adjustment." |
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186,795
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Jan. 30, 1877
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Improvement in machines for sawing laths
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John W. Calkins |
Avoca, NY |
This design was improved in patent 335,336. We have seen ads with the improved design, labeled with both patent dates plus "Byrkit's Patent" and "Built by Hetherington & Berner, Indpls, Ind." |
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335,335
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Feb. 02, 1886
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Dovetailing-machine
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Edwin M. Byrkit |
Indianapolis, IN |
"My invention relates to an improvement in machines for cutting the dovetailed grooves in boards designed for sheathing and lath, like that described in the Letters Patent issued to me March 24, 1885, and will be understood from the following description."
See also patents 186,795 and 335,336. |
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335,336
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Feb. 02, 1886
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Saw-mandrel
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Edwin M. Byrkit |
Indianapolis, IN |
See also patents 186,795 and 335,335. |