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Patents for Wilhelm Jardh
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,577,317Mar. 16, 1926W. JardhBelt Tightener with Rapid Belt Tension Releasemetalworking machine mechanisms
1,614,771Jan. 18, 1927W. Jardh, J.C. AxelsonPump having standing-valve pulleroil well pumps
1,712,766May 14, 1929W. JardhGeared Headstock for Lathesmetal lathe accessories and attachments
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