Datamp.org Patents http://www.datamp.org/ Recently added patents en-us US Patent: 1,010,755 http://www.datamp.org/patents/displayPatent.php?id=64368&pn=1,010,755 Pick Patentee: Frank S. Harrington - Bridgeport CT Granted:1911-12-05
Manufactured by Contractor & Railroad Pick Co. - New York NY
Assigned to Frank S. Harrington - Bridgeport CT

An example of this pick turned up on eBay, marked "Harrington / Patented / Dec 12 / 1911". The 1914 R. L. Polk & Co.'s New York Corporation Directory lists "Contractor & Railroad Pick Co. (R.T.N.) (Frank S. Harrington & Alice L. Hartford) 186 Claremont av." The address is in West Harlem.
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US Patent: 2,489,057 http://www.datamp.org/patents/displayPatent.php?id=34400&pn=2,489,057 Lever Operated Gripping Tool With Slidable Jaw Face Patentee: Ernest J. St. Laurence - Minneapolis MN Granted:1949-11-22
Manufactured by Whale Tool Corp. - New York NY

The special features of this locking pliers are the movable face on the adjustable jaw, and the cross pin on the connecting link to hold the end in the handle. The specifications note the movable gripping surface in the Seashore patent (no. 2,285,683). Patent nos. 949,557, 1,048,380, and 1,750,817 are also cited as references. Most known examples marked WHALE TOOL CORP. PLI-RENCH PAT. PEND. A few have the patent number. There are two variations for the structure of the sliding jaw insert. One variation has a pivot pin and a second pin that acts as a stop, as shown in the drawings for this patent. The more common variation has an elongated loop in the sliding jaw insert and a single pin which acts both to hold the insert and to limit its range of motion.
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US Patent: 756,854 http://www.datamp.org/patents/displayPatent.php?id=64367&pn=756,854 Compound Tool Patentees: Warren W. Helle - Hinsdale IL , Rudolph Brockman - Hinsdale IL Granted:1904-04-12
Manufactured by National Tool Co. - Three Rivers MI

Combination hammer, hatchet, nail claw, leather punch, pliers, alligator wrench, etc. Most of the gripping and wear surfaces are hard metal pieces attached by screws' The patent claims the portion forming the wrench. Advertised by the National Tool Co., Three Rivers, MI as "Everybody's Friend - 12 Tools in One".
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US Patent: 217,795 http://www.datamp.org/patents/displayPatent.php?id=64363&pn=217,795 Combined Forge, Emery Wheel and Drill Patentee: Philetus B. Hillyer - Rochester, Olmsted County MN Granted:1879-07-22
Assigned to Martin J. Hurd - Rochester, Olmsted County MN


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US Patent: 2,446,274 http://www.datamp.org/patents/displayPatent.php?id=64358&pn=2,446,274 Valve Patentee: John N. Gladden - Glendale, Los Angeles County CA Granted:1948-08-03
Assigned to Gladden Products Corp. - Glendale, Los Angeles County CA


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