Crown Machine and Tool Co Inc
Crown MachActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2951260A | Molding mechanism and heating arrangement | Expired / Lapsed | 1957-10-01 | 1960-09-06 | 0 | Details |
| US2928125A | Method of and injection nozzle for preventing excessive hea… | Expired / Lapsed | 1956-05-31 | 1960-03-15 | 0 | Details |
| US2860374A | Stripper mechanism for injection molding | Expired / Lapsed | 1955-09-23 | 1958-11-18 | 0 | Details |
| US2828509A | Plastic molding machines | Expired / Lapsed | 1954-11-03 | 1958-04-01 | 0 | Details |
| US2805790A | Plastic containers and packaging thereof | Expired / Lapsed | 1954-08-24 | 1957-09-10 | 0 | Details |
| US2501595A | Plastic molding machine | Expired / Lapsed | 1947-04-14 | 1950-03-21 | 0 | Details |