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Patents for Henry C. Pierle
Patents 1 - 8 of 8
First set of recordsLast set of records
1,248,317Nov. 27, 1917H.C. Pierle, W.F. GroeneMachine-toolmetalworking machines
1,617,606Feb. 15, 1927H.C. PierleMachine Toolmetalworking machines
2,042,123May 26, 1936H.C. PierleLoading and Unloadng of Work in Machine Toolsmetalworking machine mechanisms
2,080,228May 11, 1937H.C. PierleWork Rotating Structure foe Machine Toolsmetalworking machine mechanisms
2,089,421Aug. 10, 1937H.C. PierleTool Holder for Lathesmetalworking machine mechanisms
2,173,633Sep. 19, 1939H.C. PierleTool Holder for Lathesmetalworking machine mechanisms
2,198,090Apr. 23, 1940W.F. Groene, H.C. PierleTaper Attachment for Lathesmetal lathe accessories
2,392,186Jan. 01, 1946H.C. PierleWork Handling Mechanismmetalworking machine mechanisms
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