Walker Manufacturing Co
Walker ManActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3239317A | Muffler | Expired / Lapsed | 1963-06-25 | 1966-03-08 | 2 | Details |
| US3115873A | Filter | Expired / Lapsed | 1961-12-06 | 1963-12-31 | 2 | Details |
| US3083832A | Filter | Expired / Lapsed | 1959-05-07 | 1963-04-02 | 1 | Details |
| US3055593A | Fuel injection nozzle | Expired / Lapsed | 1960-05-02 | 1962-09-25 | 0 | Details |
| US2018506A | Hydraulic jack | Expired / Lapsed | 1935-02-18 | 1935-10-22 | 0 | Details |
| US1928402A | Lifting jack | Expired / Lapsed | 1933-05-26 | 1933-09-26 | 0 | Details |
| US1810667A | Jack | Expired / Lapsed | 1928-05-10 | 1931-06-16 | 0 | Details |