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Patents for William F. Groene
Patents 136 - 150 of 212
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NumberDatePatenteeTitleType
2,191,347Feb. 20, 1940W.F. Groene, H.J. SiekmannCrankshaft lathecrankshaft lathes
2,191,935Feb. 27, 1940W.F. GroeneCrankshaft Lathecrankshaft lathes
2,192,436Mar. 05, 1940W.F. Groene, H.J. SiekmannCenter drive double end turret latheturret lathes
2,192,437Mar. 05, 1940W.F. Groene, H.J. SiekmannSpindle control mechanismmetal lathes
2,193,279Mar. 12, 1940H.C. Kemper, H.E. Darby, W.F. GroeneLathe headstockmetal lathe mechanisms
2,194,203Mar. 19, 1940A.W. Aufderhar, W.F. GroeneLathe Apronmetal lathe accessories and attachments
2,197,076Apr. 16, 1940W.R. Meyer, W.F. GroeneCrankshaft Blankcrankshafts
2,197,893Apr. 23, 1940W.F. Groene, R.K. BlondLathe headstockmetal lathe mechanisms
2,198,090Apr. 23, 1940W.F. Groene, H.C. PierleTaper Attachment for Lathesmetal lathe accessories and attachments
2,199,834May 07, 1940W.L. Groene, W.F. GroeneFeed Mechanism for Lathesmetalworking machine mechanisms
2,202,287May 28, 1940W.F. GroeneRelieving attachment for lathesmetal lathe accessories and attachments
2,211,722Aug. 13, 1940W.R. Meyer, W.F. GroeneLoading and Unloadng of Work in Machine Toolsmetalworking machine mechanisms
2,211,723Aug. 13, 1940H.C. Kemper, W.F. GroeneTaper Turning Apparatusmetalworking machine mechanisms
2,214,996Sep. 17, 1940W.F. Groene, W.L. GroeneRelieving attachmentmetal lathe accessories and attachments
2,215,922Sep. 24, 1940H.J. si, W.F. GroenePower Chucking Mechanismmetalworking machine mechanisms
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