Potdevin Machine Co
Potdevin MActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3028833A | Hot melt adhesive applicator | Expired / Lapsed | 1960-07-12 | 1962-04-10 | 0 | Details |
| US2334485A | Apparatus for combining materials | Expired / Lapsed | 1940-06-14 | 1943-11-16 | 0 | Details |
| US2285228A | Method of and apparatus for making bags | Expired / Lapsed | 1940-07-31 | 1942-06-02 | 0 | Details |
| US2266905A | Bag | Expired / Lapsed | 1939-01-12 | 1941-12-23 | 0 | Details |
| US2260402A | Printing machine | Expired / Lapsed | 1939-01-28 | 1941-10-28 | 0 | Details |
| US2138119A | Bag | Expired / Lapsed | 1936-09-11 | 1938-11-29 | 0 | Details |
| US2128698A | Drying apparatus | Expired / Lapsed | 1937-02-20 | 1938-08-30 | 0 | Details |
| US2128697A | Drying apparatus | Expired / Lapsed | 1936-05-22 | 1938-08-30 | 0 | Details |
| US2085766A | Method of making bags and the like | Expired / Lapsed | 1934-09-29 | 1937-07-06 | 0 | Details |