Datamp.org Patents http://www.datamp.org/ Recently added patents en-us US Patent: 820,998 http://www.datamp.org/patents/displayPatent.php?id=54941&pn=820,998 Telescopic Sight for Firearms Patentee: Ambrose Swasey - Cleveland, Cuyahoga County OH Granted:1906-05-22


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US Patent: 1,656,323 http://www.datamp.org/patents/displayPatent.php?id=54940&pn=1,656,323 Machine for Cutting Sheet-Form Metal Patentee: Charles B. Gray - Philadelphia PA Granted:1928-01-17
Manufactured by Southwark Foundry & Machine Co. - Philadelphia PA


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US Patent: 440,435 http://www.datamp.org/patents/displayPatent.php?id=24896&pn=440,435 Wrench Patentees: Augustus J. O'Neill - Butte City MT , Henry Reinhart - Butte City MT Granted:1890-11-11

The adjustable jaws are driven by a worm gear and rack and pinion gear mechanism. The handle can extend and at the end of its travel the outer portion of the handle can be hinged out at right angles to provide extra leverage. Dec. 6, 1890 SCIENTIFIC AMERICAN has a writeup for the wrench.
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CA Patent: 107,693 http://www.datamp.org/patents/displayPatent.php?id=54939&pn=107,693 Lifting jack Patentees: Robert Lavers Edgecomb - Waterville QC Canada , Richard Orion Hopkinson - Waterville QC Canada Granted:1907-10-01
Manufactured by H & E Lifting Jack Co. - Waterville QC Canada

An advertisement in the January 1911 Canadian Machinery shows this lifting jack, complete with patent date. "H & E patent ball bearing lifting jacks for Railway Work, Contractors' and Builders' Use. These Jacks are built of the best grades of malleable iron and steel, and for speed, convenience or durability are unequalled. Made in plain and foot lift styles, fully guaranteed. Manufactured by H & E Lifting Jack Company".
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CA Patent: 100,902 http://www.datamp.org/patents/displayPatent.php?id=54938&pn=100,902 Sawmill dog Patentee: William Henry Trout - Milwaukee WI Granted:1906-09-11
Manufactured by P. Payette & Co. - Penetanguishene ON Canada


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