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Patents for Harold J. Siekmann
Patents 61 - 64 of 64
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NumberDatePatenteeTitleType
2,773,471Dec. 11, 1956W. Okvit, G.J. Kasselmann, H.J. SiekmannSpeed Indicating Plate for Machine Toolsmetalworking machine mechanisms
2,799,186Jul. 16, 1957W.A. Kimsey, H.J. SiekmannCable Carrier for Long Bed Machine Toolsmetalworking machine mechanisms
2,807,973Oct. 01, 1957H.J. Siekmann, W.H. Meyer, administrator, W.R. Meyer, deceased (estate of)Apparatus for Manufacturing Crankshafts Automaticallycrankshaft lathes
2,807,974Oct. 01, 1957H.J. Siekmann, W.H. Meyer, administrator, W.R. Meyer, deceased (estate of)Automatic Bearing Lathecrankshaft lathes
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