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Patents for Hiram A. Perkins
Patents 1 - 12 of 12
First set of recordsLast set of records
NumberDatePatenteeTitleType
910,413Jan. 19, 1909H.A. Perkins, F.H. ClementPlaning-machine cutter-headcutterheads
916,934Mar. 30, 1909H.A. PerkinsFeed mechanism for wood-planerswoodworking machine stockfeeding mechanisms
936,659Oct. 12, 1909H.A. PerkinsFeed-roll-controlling mechanism for wood-planerswood planers
961,005Jun. 07, 1910H.A. PerkinsBelt-tightenerindustrial machine pulleys and belt drive mechanisms
963,246Jul. 05, 1910H.A. PerkinsStock-scraper for wood-planing machineswood planers
964,051Jul. 12, 1910H.A. PerkinsBelt shifter and tightenerwoodworking power transmission
1,054,936Mar. 04, 1913H.A. PerkinsJointing attachment for cutter-headswoodworking machine sharpening mechanisms
1,059,313Apr. 15, 1913H.A. PerkinsStep bearing for machinerywoodworking machine mechanisms
1,292,579Jan. 28, 1919F.H. Clement, H.A. PerkinsDouble surfacerwood planers
1,427,757Aug. 29, 1922G.S. MacDowell, H.A. PerkinsStock-positioning mechanismcircular ripsaws
1,603,555Oct. 19, 1926H.A. PerkinsYieldable feeding rollwoodworking machine stockfeeding mechanisms
1,622,880Mar. 29, 1927H.A. PerkinsRadial bearingwoodworking machine mechanisms
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