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All Patents in class 72/403
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
459,931Sep. 22, 1891J. GutberletMachine for Sharpening Drillspower hammers
490,060Jan. 17, 1893W.J. BayrerMachine for cutting and bending sheet metalcutting and trimming machines
505,541Sep. 26, 1893G.S. StrongForging and bending dieelectrical devices
1,046,088Dec. 03, 1912P. KruseMachine for making can-bodiescan making machines
1,636,803Jul. 26, 1927J.M. BrownMachine for folding stovepipe blankssheet metal brakes
1,736,715Nov. 19, 1929J.J. MarshallMethod of and apparatus for forming hook bars
1,799,483Apr. 07, 1931W.A. SmithMethod of and machine for making one-piece mop heads
2,266,997Dec. 23, 1941C.F. ShermanMaking links for machine-gun belts
2,552,617May 15, 1951C.J. BathTangent Bender With Flange Turning Device metal bending machines
2,828,531Apr. 01, 1958C.J. BathMethod of Making a Helicopter Blade manufacturing processes
3,121,352Feb. 18, 1964W.B. McCardellTooth Forming Method and Apparatusgear cutting tools
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