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| All Patents in class 74/160 | |||||
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| Number | Date | Patentee | Title | Type | |
| 623,361 | Apr. 18, 1899 | J.H. Frew | Oscillating Gas or Steam Engine | gas and gasoline engines | |
| 737,996 | Sep. 01, 1903 | D.B. Bullard | Lathe | engine lathes | |
| 935,235 | Sep. 28, 1909 | C.E. Sargent | Device for Barring Over Engines | attachments | |