![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 137/377 | |||||
| Number | Date | Patentee | Title | Type | |
| 1,997,890 | Apr. 16, 1935 | E.L. Wall | Universal Tracer | hydraulic apparatus | |
| 2,843,148 | Jul. 15, 1958 | A.W. Rymills | Soft closing nozzle valve | locomotive diesel fuel apparatus | |