| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 251/112 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 164,219 | Jun. 08, 1875 | J.H. McNamar, R. Scheidler | Throttle Valve | steam engine valves | |
| 557,977 | Apr. 07, 1896 | W.L. Deming | Spraying-nozzle | ||