https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=85477&pn=1,389,515 Wrench Patentee: Alex Kikta - Flint MI Granted:1921-08-30

A lever handle with a curved toothed end grips links in a chain. The chain grips the work piece against a toothed "V" shaped jaw face on the main handle. The specifications include "jar closures" as a potential use for the wrench. A jar wrench marked with this patent date and number actually matches Kikta's Aug. 19 1924 patent 1,505,897.
This is one of 84,769 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85476&pn=1,505,897 Wrench Patentee: Alex Kikta - Flint MI Granted:1924-08-19

A loop of "flexible material" is tightened by a lever handle. The body of the wrench has a rack of slots to allow for size adjustment. A jar wrench employing these features is marked with the patent date of Kikta's earlier patent 1,389,515.
This is one of 84,769 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=21398&pn=114,348 Improvement in Pipe-Wrenches Patentee: Eugene H. Robbins - Pittsfield MA Granted:1871-05-02
Manufactured by Rice & Robbins - Pittsfield MA

Early chain pipe wrench; kept in production over several decades. Appears as ROBBINS "TYPE A" in 1920s listings. Ken Cope's "American Wrench Makers 1830-1930" identifies the history of production and distribution, citing ads from various hardware trade periodicals. This patent is referenced in M. T. Chapman's March 7, 1882 patent (no. 254,460). An improvement patented on July 31, 1882 (pat. no. 282,372) is not known to have been used.
This is one of 84,769 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85475&pn=1,742,140 Can opener Patentees: Edward L. Girard - Washingtonville OH , Fred F. Girard - Washingtonville OH Granted:1929-12-31
Manufactured by Girard-McIntosh Mfg. Co. - Washingtonville OH

The patented features include the wall bracket, and the structure of the cutter and the "flanged toothed wheel" portion of the cranked mechanism. The OPN-EZY can opener was announced to the hardware trade in fall 1929.
This is one of 84,769 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85472&pn=1,337,899 Jar Wrench and Holder Patentee: Fred F. Girard - Washingtonville OH Granted:1920-04-20
Manufactured by Girard-McIntosh Mfg. Co. - Washingtonville OH

A connecting link attaches the jar holder and jar wrench. The Girard-McIntosh Mfg. Co. advertised "income producing agency" for this and other kitchen utensils and household gadgets. A known example marked with manufacturer identification and the patent date includes features included in Girard's subsequent patent 2,057,614.
This is one of 84,769 patents currently in the database at datamp.org

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