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Patents Granted on 1878-__-__
Patents 1 - 15 of 549
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CA-8,291Jan. 01, 1878H. FairgrieveImprovement on steam engine valves
CA-8,343Jan. 01, 1878W. Mennie, B.F. OlmstedImprovements in steam engines
CA-8,524Jan. 01, 1878W. StaffordImprovements on steam engine lubricators
198,759Jan. 01, 1878H.U. UpjohnShaft-Coupling Fulcrumcombination tools
198,763Jan. 01, 1878Z. CookImprovement in bench-dogsbench stops
198,772Jan. 01, 1878W.Z. MarshImprovement in Weather-Board Gagesclapboard markers
198,777Jan. 01, 1878W.T. NicholsonFile Handletool handles
198,780Jan. 01, 1878J.R. Cross, S. SwartzImprovement in wood-bending machineswood bending machines
198,825Jan. 01, 1878C.W. ThompsonImprovement in barrel-hoop machineshoop making machines
198,845Jan. 01, 1878W.H. HaskinsImprovement in machines for reducing wood to pulp for paperwood grinding machines
198,857Jan. 01, 1878H.L. ShalerImprovement in Augersauger bits
198,909Jan. 01, 1878T. Bedworth, F.T. WardImprovement in Spirit Levelslevels
198,932Jan. 08, 1878F.J. Gracier, W.E. EdwardsImprovements in bellows-nozzles
198,935Jan. 08, 1878W.L. GilchristImprovement in screw driversscrewdriver blades
198,945Jan. 08, 1878J.M. JohnsonImprovement in collapsible screw-tapstaps and dies
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