Grinnell Corp
Grinnell CActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3390854A | Movable bearing support | Expired / Lapsed | 1966-10-28 | 1968-07-02 | 2 | Details |
| US3298644A | Movable bearing support | Expired / Lapsed | 1966-04-20 | 1967-01-17 | 2 | Details |
| US3175473A | Spring and fluid pressure actuator | Expired / Lapsed | 1962-05-01 | 1965-03-30 | 2 | Details |
| US3064739A | Fire protection system | Expired / Lapsed | 1960-06-29 | 1962-11-20 | 0 | Details |
| US2847711A | Method of treating polytetrafluoroethylene and to polytetra… | Expired / Lapsed | 1954-08-10 | 1958-08-19 | 2 | Details |
| US2456203A | Coupling for tubular members | Expired / Lapsed | 1943-08-21 | 1948-12-14 | 0 | Details |
| US2372214A | Sway brace | Expired / Lapsed | 1943-09-30 | 1945-03-27 | 0 | Details |