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Patent# USPTO Date Year Inventor Patent Title Comments
83,685 USPTO Nov 3 1868 Bicknell Sash-Cord Guide Mistaken for insulator
105,252 USPTO Jul 12 1870 Robertson Battery Insulator Earliest style of battery rest
920,105 USPTO May 4 1909 Backus Lock and Check Hook Cast iron parts proved fragile
1,021,343 USPTO Mar 26 1912 Tingley Locking Clamp Predecessor to the Backus Novelty Locking Clamp
1,156,739 USPTO Oct 12 1915 Backus Locking Clamp Backus's Universal Locking Clamp
1,187,378 USPTO Jun 13 1916 Osborn Sliding Shoe for Furniture Mistaken for battery rest insulator
1,194,957 USPTO Aug 15 1916 Cochrane Insulator "Cochrane Bells" multipart suspension insulator
1,304,623 USPTO May 27 1919 Sullivan & Taylor Glass Corning Pyrex glass formula
1,373,112 USPTO Mar 29 1921 Backus Check Lock Improved sheet-metal version of No. 920,105
1,487,355 USPTO Mar 18 1924 Overmyer Drawer Knob Solid glass threaded drawer knob w/sleeve
1,623,301 USPTO Apr 5 1927 Brenner Heat-Resisting Glass Fry Foval boro-silicate, heat-resisting opalescent glass formula and process