| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 123/90.65 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 401,453 | Apr. 16, 1889 | L.H. Nash | Gas Engine | |
 | 418,417 | Dec. 31, 1889 | L.H. Nash | Gas Engine | |
 | 718,511 | Jan. 13, 1903 | J.A. Ostenberg | Explosion Engine | |
| 787,417 | Apr. 18, 1905 | E. Westman | Governing Device for Valve and Igniter Gear for Explosive Engines | ||
 | 818,714 | Apr. 24, 1906 | H.J. Smith | Valve Mechanism for Gas Engines | |
| 2,631,576 | Mar. 17, 1953 | C.H. Schowalter | Valve Operating Mechanism | ||