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All Patents in class 91/390
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
646,458Apr. 03, 1900H.A. PedrickPneumatic Hoisting Apparatus hoists, winches, come-alongs
675,112May 28, 1901R.A. RutherfordPneumatic Hoisting Apparatus hoists, winches, come-alongs
675,528Jun. 04, 1901R.A. RutherfordValve Device for Pneumatic Hoists industrial valves
702,979Jun. 24, 1902G.E. MartinPneumatic Hoist hoists, winches, come-alongs
2,775,235Dec. 25, 1956W.F. JessupBooster for Template Controlled Truing Mechanismgrinder dressers
3,077,132Feb. 12, 1963C.H. WhitmoreFeed control for band sawsmetal cutting bandsaws
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