Wrench Archives - USPTO Patent Practitioner | Secure Your Intellectual Property

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First wrench was patented this day - This Day in Patent History

On August 17, 1835, Solymon Merrick of Springfield, Massachusetts patented the first wrench. The wrench typology is inspired by typologies of prehistoric stone tools. Merrick’s…

This Day in Patent History - This antique Combined Wrench & Thread Cutter available for sale on eBay was patented on 17 Feb 1903

This antique Combined Wrench & Thread Cutter available for sale on eBay was patented on 17 Feb 1903. You can still read the patent number…