Datamp.org Patents https://www.datamp.org/ Recently added patents en-us US Patent: 3,762,244 https://www.datamp.org/patents/displayPatent.php?id=53231&pn=3,762,244 Speed Wrenches Patentee: James P. Evans - Oklahoma City OK Granted:1973-10-02
Assigned to Specialty Tools, Inc. - Oklahoma City OK

Open end wrench with jaws shaped to allow "ratchet" action on hexagon nuts. Some known examples marked "RATCHET ACTION SPEED WRENCH / U.S. PAT. 3762244 U.S.A." The jaw design also appears on SPECIALTY TOOLS copper - beryllium alloy wrenches marked "PAT. PENDING" and with patent no. 3,615,880. Patent no. 2,652,735 cited as reference. 2026 addendum: Searching online for phrase "rapid action speed wrench" brings up many images, etc. and a 1972 POPULAR SCIENCE "blurb."
This is one of 84,964 patents currently in the database at datamp.org

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US Patent: 3,615,880 https://www.datamp.org/patents/displayPatent.php?id=85666&pn=3,615,880 FERROUS METAL DIE CASTING PROCESS AND PRODUCTS Patentees: Ronald L. Bartu - Wickliffe OH , Dallas T. Hurd - Gates Mills OH Granted:1971-10-26
Assigned to General Electric - unk unk

The patent describes materials and processes relating to metal casting, with considerations for how temperature of melted metals and molds relates to strength, etc. of completed product. The patent is cited by number on known examples of copper-beryllium alloy wrenches made by Specialty Tools, Inc. (Oklahoma City, OK). See also patent 3,762,244 for jaw design of these wrenches.
This is one of 84,964 patents currently in the database at datamp.org

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US Patent: 388,007 https://www.datamp.org/patents/displayPatent.php?id=59214&pn=388,007 Clamp Screw Patentee: Pardon A. Whitney - Southington CT Granted:1888-08-14
Manufactured by Peck, Stow & Wilcox Co. - Southington CT

Malleable "wing nut" type head pinned to a steel screw; this makes a more durable screw for "C" or bar clamps. This improvement was incorporated into clamps produced by Peck, Stow & Wilcox, including "C" clamps with bodies corresponding to design patent D18,376 and patent 385,983. -- See DATAMP entry for D18,376 for photos, 1890 product description, etc. The patent date appears in some adjusting screws corresponding to this patent.
This is one of 84,964 patents currently in the database at datamp.org

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GB Patent: 217,097 https://www.datamp.org/patents/displayPatent.php?id=72459&pn=217,097 Improvements in or relating to adjustable spanners Patentee: Alfred Harry Faram - London England Granted:1924-06-12
Manufactured by Hughes-Johnson Stampings, Ltd. - Langley Green, Worcestershire England

The patent claims the design of the movable jaw. Ron Geesin's THE ADJUSTABLE SPANNER identifies several manufacturers that produced self-adjusting wrenches based on this patent. The product was called UNIVERSAL by some of those manufacturers. An AMERICAN MACHINIST item on AMBROSE SHARDLOW notes three sizes ca. 1925-1926.
This is one of 84,964 patents currently in the database at datamp.org

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US Patent: 346,603 https://www.datamp.org/patents/displayPatent.php?id=85664&pn=346,603 Screw Driver Patentees: William F. Patterson - Boston MA , Henry B. Stillman - New York NY Granted:1886-08-03


This is one of 84,964 patents currently in the database at datamp.org

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