Western States Machine Co
Western StActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3773253A | Centrifugal basket bottom valve machanism | Expired / Lapsed | 1972-05-25 | 1973-11-20 | 12 | Details |
| US2708035A | Centrifugal discharger mechanism | Expired / Lapsed | 1951-03-02 | 1955-05-10 | 0 | Details |
| US2644518A | Group controlled electric timer | Expired / Lapsed | 1952-04-01 | 1953-07-07 | 0 | Details |
| US2380595A | Centrifugal machine and driving system therefor | Expired / Lapsed | 1941-01-16 | 1945-07-31 | 0 | Details |
| US2294207A | Centrifugal apparatus | Expired / Lapsed | 1937-04-16 | 1942-08-25 | 0 | Details |
| US2082513A | Filter sieve and art of making the same | Expired / Lapsed | 1934-07-26 | 1937-06-01 | 0 | Details |