| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 417/315 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 120,823 | Nov. 14, 1871 | J.M. McMaster | Improvement in propulsion of canal-boats | |
| 2,035,096 | Mar. 24, 1936 | H. Schneider | Engine Accessory Drive | ||
| 2,383,092 | Aug. 21, 1945 | G.A. Wahlmark | Hydraulic circuit | ||
| 2,502,316 | Mar. 28, 1950 | C.F. Erikson | Pumping Mechanism | ||