Ritter Co Inc
Ritter CoActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2949107A | Apparatus for determining the vitality of teeth | Expired / Lapsed | 1953-04-06 | 1960-08-16 | 0 | Details |
| US2780277A | Vertically adjustable pedestal stool | Expired / Lapsed | 1952-06-27 | 1957-02-05 | 0 | Details |
| US2681408A | Syringe | Expired / Lapsed | 1952-04-08 | 1954-06-15 | 0 | Details |
| US2494058A | Lighting unit | Expired / Lapsed | 1946-08-01 | 1950-01-10 | 0 | Details |
| US2415534A | Liquid mixing device | Expired / Lapsed | 1944-02-18 | 1947-02-11 | 0 | Details |
| US2395674A | Automatic container filler | Expired / Lapsed | 1943-09-27 | 1946-02-26 | 0 | Details |