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Patents Granted on 1844-12-??
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,843Dec. 04, 1844J. Gleason, H. BarbourImprovement in Self-Stripping Cards for Carding Fibrous Substancescloth carding machines
3,849Dec. 07, 1844C.B. RogersMachine for Filing Saws
3,858Dec. 16, 1844C. Stigleman, A. SeelyMethod of straining saws of sawmills without gatesreciprocating sawmills
3,862Dec. 19, 1844J.H. StevensMachine for preparing wood for making boxesbox making machines
3,863Dec. 19, 1844G. StickneyMachine for Planing or Dressing the Knuckles of Butt-Hinges on Their Inner Sidesmetal planers
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
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