Underwood Elliott Fisher Co
UnderwoodActive Patents
0
Total Holdings
10
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2378545A | Method of and apparatus for testing guns and correcting gun… | Expired / Lapsed | 1943-06-30 | 1945-06-19 | 0 | Details |
| US2303877A | Typewriting machine | Expired / Lapsed | 1938-12-31 | 1942-12-01 | 0 | Details |
| US2278118A | Business machine | Expired / Lapsed | 1936-09-24 | 1942-03-31 | 0 | Details |
| US2272079A | Printing mechanism for accounting machines | Expired / Lapsed | 1938-12-30 | 1942-02-03 | 0 | Details |
| US2251097A | Accounting machine | Expired / Lapsed | 1938-06-29 | 1941-07-29 | 0 | Details |
| US2229905A | Accounting machine | Expired / Lapsed | 1934-10-31 | 1941-01-28 | 0 | Details |
| US2223028A | Typewriting machine | Expired / Lapsed | 1938-11-18 | 1940-11-26 | 0 | Details |
| US2216608A | Paper guiding and holding mechanism for accounting machines | Expired / Lapsed | 1938-12-30 | 1940-10-01 | 0 | Details |
| US2011310A | Bichrome ribbon mechanism for computing machines | Expired / Lapsed | 1930-11-13 | 1935-08-13 | 0 | Details |
| US1801396A | Typewriting machine | Expired / Lapsed | 1926-09-24 | 1931-04-21 | 0 | Details |