Cleveland Trust Co
ClevelandActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3331604A | Automatic pinfall detecting apparatus for bowling game | Expired / Lapsed | 1961-09-07 | 1967-07-18 | 2 | Details |
| US3300213A | Pinfall detecting apparatus with shift register storage mea… | Expired / Lapsed | 1963-11-21 | 1967-01-24 | 2 | Details |
| US1818307A | Piston | Expired / Lapsed | 1921-02-07 | 1931-08-11 | 0 | Details |
| US1803274A | Piezo-electric device | Expired / Lapsed | 1930-01-14 | 1931-04-28 | 0 | Details |
| US1802782A | Piezo-electric device | Expired / Lapsed | 1927-05-06 | 1931-04-28 | 0 | Details |
| US1802781A | Piezo-electric device | Expired / Lapsed | 1927-05-06 | 1931-04-28 | 0 | Details |
| US1802780A | Piezo-electric device | Expired / Lapsed | 1927-05-06 | 1931-04-28 | 0 | Details |
| US1641136A | Phonometer | Expired / Lapsed | 1922-03-27 | 1927-08-30 | 0 | Details |