| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 251/361 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 193,087 | Jul. 17, 1877 | B. Holly | Meter Valves | steam heating | |
| 495,064 | Apr. 11, 1893 | G.H. Schrader | Valve | valves | |
| 1,066,414 | Jul. 01, 1913 | H.E. Gendre, G. Leich | Pneumatic tool | pneumatic tools | |