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Patents for John Henry Swartwout | |||||
Number | Date | Patentee | Title | Type | |
CA-1,094 | Aug. 07, 1871 | J.H. Swartwout | Fluting or crimping roller | ||
CA-1,185 | Oct. 19, 1871 | J.H. Swartwout | Machine for turning logs | sawmill carriages | |
CA-1,568 | Jul. 19, 1872 | J.H. Swartwout | Swartwout's Improved Oscillating Gang Saw | reciprocating sawmills | |
CA-2,308 | May 01, 1873 | H.D. Dann, J.H. Swartwout | Dann's Improved Saw-Mill Dog | sawmill dogs |