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Patents for John Henry Swartwout
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-1,094Aug. 07, 1871J.H. SwartwoutFluting or crimping roller
CA-1,185Oct. 19, 1871J.H. SwartwoutMachine for turning logssawmill carriages
CA-1,568Jul. 19, 1872J.H. SwartwoutSwartwout's Improved Oscillating Gang Sawreciprocating sawmills
CA-2,308May 01, 1873H.D. Dann, J.H. SwartwoutDann's Improved Saw-Mill Dogsawmill dogs
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