DATAMP

US Patent: 256,265

DATAMP Wacky Patents - April 7, 2019 - 3:07pm
Device for waking persons from sleep Patentee: Samuel S. Applegate - Camden NJ Granted:1882-04-11

1 of 12 patents in the Parker Brothers Inventor's Game. Another is 221,855 Here as part of Russ Allen's MWTCA Gadgets, Gizmos, and Mechanical Marvels display.
This is one of 60,958 patents currently in the database at datamp.org

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US Patent: 4,934

Hammer Patentee: Charles Hammond - Philadelphia PA Granted:1847-01-19


This is one of 60,943 patents currently in the database at datamp.org

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US Patent: 1,154,905

Strand guide for rope making machines Patentees: John S. Barnes - Detroit MI , Nathan E. Sherwood - Detroit MI Granted:1915-09-28


This is one of 60,921 patents currently in the database at datamp.org

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US Patent: 1,488,759

Pliers and Wrench Patentee: Edward M. Loftus - St. Paul MN Granted:1924-04-01

The underlying concept is a latch to hold size adjustment against back pressure to prevent the grip from slipping. Improvement to the design in patent nos. 1,398,904 and 1,418,312 which modifies the shape of the swinging cam, and provides for alternate faces for the cam to better hold when the "wrench" function is selected. Corresponds with a pliers marked PEERLESS - ST. PAUL- PAT'D.
This is one of 60,919 patents currently in the database at datamp.org

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US Patent: 679,927

Method of Making Screws Patentee: William A. Warman - Rochester NY Granted:1901-08-06

The patent describes a method of forming hollow set screws by drawing sheet metal. Dies would shape the exterior of the screws; the interior would be formed by "irregular polygonal mandrel" matching the shape of the wrench would be used. Hammacher, Schlemmer & Co. advertised as "sole agent" for these screws in 1905. In that ad and the patent drawing, the mandrel / wrench is hexagonal.
This is one of 60,918 patents currently in the database at datamp.org

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US Patent: 773,735

Power Hammer Patentee: Thomas H. Griffitts - San Francisco, San Francisco County CA Granted:1904-11-01


This is one of 60,906 patents currently in the database at datamp.org

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US Patent: 1,046,809

Mechanical Hammer Patentee: Jean Kunz - Cronberg-in-the-Taunus Germany Granted:1912-12-10


This is one of 60,903 patents currently in the database at datamp.org

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US Patent: 95,793

Gasfitter's Tool Patentee: Emile Granier - Paris France Granted:1869-10-12

This combination tool includes tin shears, wire cutter, gas pliers, rule, straight-edge, screwdriver or chisel, tack claw, tap wrench, and some very imaginative uses noted in the specifications. A description of the PIONEER'S COMPANION in the Febr. 9, 1870 AMERICAN ARTISAN noted optional corkscrew and saw blade attachments; an unmarked example of the tool has these features. The rule on this example is marked in fractional inch measures on one side, and metric on the other. The specifications note this tool received a French patent on May 9, 1868. Corresponding British patent GB-187000520 was granted Febr. 22, 1870.
This is one of 60,896 patents currently in the database at datamp.org

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CA Patent: 79,369

Try Square Patentees: William George Clements - Vancouver Canada , Frank G. Lewis - Vancouver Canada Granted:1903-02-10

Also US patent 725,614. An example was featured in a Lee Valley newsletter
This is one of 60,883 patents currently in the database at datamp.org

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