DATAMP

US Patent: 1,114,666

Punch Patentee: John A. Anderson - Bridgeport CT Granted:1914-10-20

The patent is for the "in-line" body and sliding latch for a rotating head drive punch. Advertised as the SEMCO.
This is one of 58,503 patents currently in the database at datamp.org

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US Patent: 890,152

Tool For Constructing and Repairing Wire Fences Patentee: Gilbert M. Mason - Perry IA Granted:1908-06-09

Fence wire pliers constructed of stamped pieces, with replaceable parts. Known example marked, "THE BUFFALO-OSMUNDSON MFG. CO. - PAT APD FOR - PERRY IOWA." A 1908 IRON AGE piece identifies the manufacturer as the OSMUNDSON SPADE MFG. Co., Perry, IA.
This is one of 58,491 patents currently in the database at datamp.org

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US Patent: 664,512

Chaser Grinding Machine Patentee: Jacob B. Wallace - Erie, Erie County PA Granted:1900-12-25


This is one of 58,475 patents currently in the database at datamp.org

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US Patent: 150,157

Improvement in saw-sets Patentee: Wilson A. Hearn - Dyer Station TN Granted:1874-04-28

The patent model for this saw set was featured in the March 2018 newsletter from Lee Valley. See the link below the images.
This is one of 58,470 patents currently in the database at datamp.org

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US Patent: 2,593,124

Wedge facing machine Patentee: Gerald Eaton - Manchester CT Granted:1952-04-15


This is one of 58,464 patents currently in the database at datamp.org

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US Patent: 2,742,809

Guide For The Movable Jaw of a Pipe Wrench Patentees: Hannes Brynge - Fannalund, Enkoping Sweden , Gunnar Brynge - Fannalund, Enkoping Sweden Granted:1956-04-24

The focus of the patent is an enclosed frame structure for the movable jaw of a "Stillson" type pipe wrench, and internal springs to support the jaw. A pipe wrench marked in part "BAHCO III / PATENT" bears strong resemblance to the general appearance of this design, but has a different provision for a spring. Patent nos. 454,612, 805,946, 1,055,742, 1,276,093, 2,302,633, and 2,513,956 are cited as references. Corresponding foreign patents CA-535,689, GB-753,198, FR-1,111,897 etc. [can be found through ESPACENET] do not have comparable reference lists. B. A. Hjorth & Co. is better known as BAHCO.
This is one of 58,463 patents currently in the database at datamp.org

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US Patent: 2,444,135

Worm Joint Pliers or Wrench Patentee: Willard C. Kress - Grand Island NY Granted:1948-06-29

"Box joint" pliers with a worm and screw adjustable pivot point. Patent nos. 166,428, 216,014, 244,269, 424,274, 516,485, 557,311, 639,640, 844,886, 1,428,884, 1,502,192, 1,561,581, and 2,112,840 are cited as references. Cited as a reference in patent no. 4,091,696. Parker, Prochnow & Farmer - patent attorneys
This is one of 58,462 patents currently in the database at datamp.org

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US Patent: 1,050,583

Ratchet Wrench Patentee: William A. Whitney - Rockford, Winnebago County IL Granted:1913-01-14

Reversible ratchet using a spring-loaded ball in a conical enclosure as the "pawl." The handle can be rotated a half-turn to control the direction of the ratchet action.
This is one of 58,456 patents currently in the database at datamp.org

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