Patents for Alice A. Perkins |
Patents 1 -
6
of 6
      |
Number | Date | Patentee | Title | Type |
444,255 | Jan. 06, 1891 | G.F. Shaw | Pipe Wrench | self-adjust wrenches |
444,812 | Jan. 20, 1891 | W.W. Carey | Self-lubricating device for pulleys | industrial machine pulleys and belt drive mechanisms |
462,329 | Nov. 03, 1891 | E. Rivett | Filing-rest for lathes | metal lathe accessories and attachments |
464,274 | Dec. 01, 1891 | L.M. Cobb | Pipe and Nut Wrench | alligator wrenches |
479,698 | Jul. 26, 1892 | H. Bornstein | Wrench | wrenches |
487,160 | Nov. 29, 1892 | E. Rivett | Milling-machine | milling machines |