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Patents Granted on 1878-07-16
Patents 1 - 8 of 8
First set of recordsLast set of records
RE8,339Jul. 16, 1878J.W. ZimmermanImprovement in friction feed-clutches for circular-saw millssawmill feed works
205,982Jul. 16, 1878F.M. StevensImprovement in rotary valves
205,994Jul. 16, 1878J. BozorthImprovement in box-trimming machinesbox making machines
206,005Jul. 16, 1878S.E. CressImprovement in folding shaving-horseswork holding
206,006Jul. 16, 1878A.H. CrockfordImprovement in bit-clampsbrace chucks
206,067Jul. 16, 1878R. AllisonFeed Screw and Nut For Rock Drills, etc.auxiliary wrenches
206,091Jul. 16, 1878H.C. CloydImprovement in boring-machinesportable timber borers
206,121Jul. 16, 1878M.J. MullinsTenoning machinetenoning machines
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