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Patents Granted on 1941-07-15
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
D128,258Jul. 15, 1941G.W. Luning, W.F. GroeneFeed Box for Lathesmetalworking machine mechanisms
2,249,241Jul. 15, 1941W.R. Meyer, W.F. GroeneWork Handling Mechanismmetalworking machine mechanisms
2,249,242Jul. 15, 1941W.L. GroeneMethod of Treating Crankshaftscrankshaft lathes
2,249,243Jul. 15, 1941W.L. GroeneChucking Mechanismmetal lathe chucks
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