| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 251/236 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 10,800 | Apr. 18, 1854 | R.M. Bouton | Faucet | ||
| 666,026 | Jan. 15, 1901 | C.B. Richards | Throttle Valve | ||
 | 2,849,206 | Aug. 26, 1958 | A.P. Waterson | Hydraulic tracer control valve | |