https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=50261&pn=1,141,877 Chain Tool Patentee: Thomas C. Luce - Stratford CT Granted:1915-06-01
Manufactured by American Chain Co., Inc. - Bridgeport CT
Assigned to American Chain Co., Inc. - Bridgeport CT

Pliers type tool with jaws designed to manipulate components of automotive tire chains. In particular, the tool opens and closes the connectors that attach cross bar chain to the side chains. According to contemporary advertisements, American Chain Co., Inc. supplied these with WEED automotive tire chains. A known example has this patent date along with the earlier WEED chain plier patent no. 1,069,041.
This is one of 84,972 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=71405&pn=469,615 Knife Sharpener Patentee: Simon W. Wardwell - Boston, Suffolk County MA Granted:1892-02-23
Manufactured by Mossberg Wrench Co. - Attleboro MA
Assigned to Frank Mossberg - Attleborough, Bristol County MA

Patent addresses the mounting for the sharpening discs. A variety of knife and scissors sharpeners were produced based on the patent, including ornate silver plated models for household use. The MOSSBERG WRENCH OOMPANY was founded in 1894 with Frank Mossberg as General Manager.
This is one of 84,972 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=17781&pn=509,151 Screw Wrench Patentee: William Dicks - Buffalo NY Granted:1893-11-21
Manufactured by Spaulding Machine Screw Co. - Buffalo NY

A screwdriver on the end of the adjusting screw extends beyond the end of the handle when the wrench is completely opened. The wrench also received Canadian patent no, CA-45,875 on April 24, 1894, and British patent GB-189322215 registered Nov. 21, 1893.
This is one of 84,972 patents currently in the database at datamp.org

]]> 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 84,972 patents currently in the database at datamp.org

]]> 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 84,972 patents currently in the database at datamp.org

]]>