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All Patents in class 280
Patents 241 - 255 of 312
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NumberDatePatenteeTitleType
1,290,813Jan. 07, 1919I.A. WeaverTowing-polevehicle mechanic
1,308,537Jul. 01, 1919I.A. WeaverTowing devicevehicle mechanic
1,327,654Jan. 13, 1920C.R. DavisFertilizer-distributor
1,366,413Jan. 25, 1921F.C. OlinTractortractors
1,374,513Apr. 12, 1921W.H. Townsend, J.A. MosherVelocipedebicycles and tricycles
1,388,410Aug. 23, 1921D.P. DaviesTractortractors
1,431,634Oct. 10, 1922G. ClementsAdjustable rear support for vacuum cleanershandheld power blowers
1,453,525May 01, 1923J. RossAdjustable Front Axletraction engine steering apparatus
1,537,249May 12, 1925R.E. ManleyTowing polevehicle mechanic
1,559,541Nov. 03, 1925W.I. BallentineTrailer for Tractorstractor trailers
1,591,539Jul. 06, 1926A. LevedahlCrank-case venting means for pneumatic tools
1,599,196Sep. 07, 1926C.C. BaldwinPower Propelled Deviceharvesters
1,635,803Jul. 12, 1927H.B. SperryTongue-supporting truck
1,648,372Nov. 08, 1927W.W. Trevor, D.A. BereanMachine for operating on barrels and the likecooper
1,658,430Feb. 07, 1928F.V. DonaldTractor hitch for lawn mowers
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