EDWARD D ANDREWS
EDWARD D AActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2702769A | Method of making sponge rubber articles and product | Expired / Lapsed | 1951-08-16 | 1955-02-22 | 1 | Details |
| US2649391A | Sponge rubber product | Expired / Lapsed | 1950-04-15 | 1953-08-18 | 2 | Details |
| US2648619A | Fabric coated sponge rubber and method of making same | Expired / Lapsed | 1952-05-01 | 1953-08-11 | 1 | Details |
| US2628654A | Process and apparatus for the manufacture of sponge rubber … | Expired / Lapsed | 1950-04-15 | 1953-02-17 | 0 | Details |
| US2441094A | Valve | Expired / Lapsed | 1943-10-05 | 1948-05-04 | 0 | Details |
| US2431977A | Fabric and method of manufacturing articles therefrom | Expired / Lapsed | 1943-11-05 | 1947-12-02 | 0 | Details |
| US2164981A | Electrical conductor and insulating material therefor | Expired / Lapsed | 1936-10-03 | 1939-07-04 | 0 | Details |