Risdon Manufacturing Co
Risdon ManActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4024988A | Safety closure assembly for an aerosol container | Expired / Lapsed | 1975-10-28 | 1977-05-24 | 9 | Details |
| US3894665A | Safety overcap for aerosol container incorporating continuo… | Expired / Lapsed | 1974-06-26 | 1975-07-15 | 10 | Details |
| US2959325A | Method and apparatus for dispensing dry powders | Expired / Lapsed | 1954-08-26 | 1960-11-08 | 0 | Details |
| US2723055A | Metering-valve for aerosol-spray dispensers | Expired / Lapsed | 1950-09-01 | 1955-11-08 | 0 | Details |
| US2643914A | Valve means for aerosol spray dispensers | Expired / Lapsed | 1950-06-24 | 1953-06-30 | 0 | Details |
| US2368997A | Lirstick holder | Expired / Lapsed | 1941-07-22 | 1945-02-06 | 0 | Details |