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All Patents in class 48/102R
Patents 1 - 3 of 3
First set of recordsLast set of records
3,872Dec. 31, 1844R.S. Hannaford, R.H. Penny, W.F. ConverseMachinery for Cutting Screws in the Posts and On the Rails of Bedsteadswood threading machines
286,466Oct. 09, 1883F. MesserMachine for Dressing Rollers for Grinding Millsmetalworking machines
577,189Feb. 16, 1897G.W. LewisVapor Engine
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