DUPLATE Corp
DUPLATE CoActive Patents
0
Total Holdings
5
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2068104A | Apparatus for making curved safety glass | Expired / Lapsed | 1935-02-23 | 1937-01-19 | 0 | Details |
| US2046378A | Method of plasticizing a resin and forming it into a sheet | Expired / Lapsed | 1934-12-22 | 1936-07-07 | 0 | Details |
| US1959221A | Method and apparatus for making safety glass | Expired / Lapsed | 1932-06-15 | 1934-05-15 | 0 | Details |
| US1954061A | Device for grooving safety glass | Expired / Lapsed | 1932-10-19 | 1934-04-10 | 0 | Details |
| US1939998A | Process and apparatus for making safety glass | Expired / Lapsed | 1932-08-11 | 1933-12-19 | 0 | Details |