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Patents for Henry C. Pierle
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,617,606Feb. 15, 1927H.C. PierleMachine Toolmetalworking machines
2,042,123May 26, 1936H.C. PierleLoading and Unloadng of Work in Machine Toolsmachine mechanisms
2,080,228May 11, 1937H.C. PierleWork Rotating Structure foe Machine Toolsmachine mechanisms
2,089,421Aug. 10, 1937H.C. PierleTool Holder for Lathesmachine mechanisms
2,173,633Sep. 19, 1939H.C. PierleTool Holder for Lathesmachine mechanisms
2,198,090Apr. 23, 1940W.F. Groene, H.C. PierleTaper Attachment for Lathesmetal lathe accessories
2,392,186Jan. 01, 1946H.C. PierleWork Handling Mechanismmachine mechanisms
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