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Patents Granted on 1881-12-13
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-13,814Dec. 13, 1881W.D. WestmanImprovement on first and intermediate driversindustrial machine pulleys and belt drive mechanisms
250,641Dec. 13, 1881W.H. BrockChain Wrenchchain and strap wrenches
250,670Dec. 13, 1881W. LyonBit and drill stockbraces
250,673Dec. 13, 1881A. MontantVisebench vises
250,712Dec. 13, 1881H.J. ColburnTilting-table sawtablesaws
250,726Dec. 13, 1881A. GuerdanCutterhead for stave-sawing machinescutterheads
250,762Dec. 13, 1881W.O. SmithLathe for turning irregular formspattern lathes
250,884Dec. 13, 1881M.B. CampbellSaw-mill log-carriagesawmill carriages
250,928Dec. 13, 1881C.E. LewisPressure-roller for saw-millssawmill accessories
250,955Dec. 13, 1881F. OgdenGear for Traction Enginestraction engine propulsion components
250,992Dec. 13, 1881S.I. SnyderChuck for watch-makerswatchmaker
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