https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=40050&pn=578,249 Combination Tool Patentee: Melvin Delos Letteer - Delavan, Walworth County WI Granted:1897-03-02
Manufactured by M. Letteer - Delavan WI

Turnbuckle adjusting lever locking wrench, with rule, tack claw, screwdriver, and nipper jaws. Known example differs in some details - produced by the patentee. C. A. Knowles - patent attorney
This is one of 84,736 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=56104&pn=692,828 Wrench Patentees: John M. Clark - Dayton OH , John C. Crume - Dayton OH Granted:1902-02-11
Manufactured by Thomas Tool Co. - Dayton OH

Household combination tool; the "wrench" in the title is a pliers type fruit jar wrench. Advertised by the Thomas Tool Co. of Dayton, OH as the FALCON 11 in 1. The tool as produced included a "crown cap opener" on one handle end, and a corkscrew folded into the other handle.
This is one of 84,736 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=30615&pn=558,246 Wagon Wrench Patentee: George E. Wood - Southington CT Granted:1896-04-14
Manufactured by George E. Wood - Southington CT

The wrench is a specialized tongs, with a spring to close the jaws, and a knob at the pivot. The jaws are shaped as halves of a square socket. This design grips the corners of axle nuts, and the spring holds the jaws closed onto the nut so it can be laid aside while the wheel hub and axle are lubricated. Produced as the PERFECTION WAGON WRENCH, in at least 3 sizes. 1896 trade journal pieces suggest Peck, Stow & Wilcox was involved in producing the wrench.
This is one of 84,736 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=42308&pn=1,410,816 Spark Plug Wrench Patentee: Willse M. Lawrence - Springfield MA Granted:1922-03-28
Manufactured by Lawrence - Clark - unk. unk.

The patent describes a fixed and pivoted movable jaw that form an adjustable socket, the thumb screw to tighten the jaw, and a hammer poll on the back side of the tool. The design also appears in a 1921 advertisement for a 101 Wrench distributed by Hutton & Hutton of Springfield, Mass. Lawrence's trademark for "101" in relation to wrenches gives Brookline, Mass. and Bartow, Fla. addresses; the latter corresponding to late 1922 advertisements for the "101 Universal Wrench."
This is one of 84,736 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=36401&pn=5,781,950 Locking Mechanism For A Folding Combination Tool Patentees: David A. Swinden - Ellenville NY , John Dennis Lemaire - Quebec QC Canada Granted:1998-07-21
Manufactured by American Tool Companies - Wilmington OH
Assigned to Imperial Schrade Corp. - Ellenville NY

The patent includes the entire "Leatherman type" pliers with folding box beam handles, and fold-out tools at the ends of the handles. The fold-out tools lock in place in both the fully extended and folded in positions. The patent cites an extensive list of prior art patents as references, and other combination tool patents are noted in the history narrative. The patent appears together with lock release patent no. 6,219,870 on the combination tool bearing handle of the VISE-GRIP (tm) TOOLBOX (tm) locking pliers combination tool. In early 2008 this tool no longer appears in the VISE-GRIP (tm) or SCHRADE (tm) product lines.
This is one of 84,736 patents currently in the database at datamp.org

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