Paper Patents Co
Paper PateActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2684690A | Flow control apparatus | Expired / Lapsed | 1949-10-01 | 1954-07-27 | 0 | Details |
| US2607495A | Filter unit | Expired / Lapsed | 1946-05-03 | 1952-08-19 | 0 | Details |
| US2497712A | Process of manufacturing a fibrous sheet covered plywood | Expired / Lapsed | 1944-06-05 | 1950-02-14 | 2 | Details |
| US2303087A | Apparatus for compressing creped wadding | Expired / Lapsed | 1938-12-24 | 1942-11-24 | 0 | Details |
| US1992215A | Paper wadding | Expired / Lapsed | 1931-11-23 | 1935-02-26 | 0 | Details |
| US1991599A | Paper inspection process and apparatus | Expired / Lapsed | 1933-12-01 | 1935-02-19 | 0 | Details |