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Patents for Willis J. Perkins
Patents 1 - 15 of 32
First set of recordsNext set of recordsLast set of records
195,900Oct. 09, 1877W.J. PerkinsImprovement in shingle-sawing machinesshingle machines
228,779Jun. 15, 1880W.J. PerkinsMechanism movementwoodworking machine mechanisms
232,754Sep. 28, 1880W.J. PerkinsGang-edgercircular ripsaws
236,620Jan. 11, 1881W.J. PerkinsShingle-sawing machineshingle machines
244,928Jul. 26, 1881W.J. PerkinsShingle-jointing machineshingle machines
272,316Feb. 13, 1883W.J. PerkinsShingle-sawing machineshingle machines
287,462Oct. 30, 1883W.J. PerkinsShingle-sawing machineshingle machines
294,804Mar. 11, 1884W.J. PerkinsDrag-saw elevatordrag saws
314,603Mar. 31, 1885W.J. PerkinsShingle-sawing machineshingle machines
315,061Apr. 07, 1885W.J. PerkinsShingleshingle machines
320,681Jun. 23, 1885W.J. PerkinsCircular sawsawblades
321,525Jul. 07, 1885W.J. PerkinsCircular sawmillcircular sawmills
325,693Sep. 08, 1885W.J. PerkinsShingle-sawing machineshingle machines
342,534May 25, 1886W.J. PerkinsShingle-sawing machineshingle machines
342,535May 25, 1886W.J. PerkinsSawsawblades
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