Wilkinson Sword Ltd
WilkinsonActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3894337A | Alumina razor blades | Expired / Lapsed | 1973-04-06 | 1975-07-15 | 9 | Details |
| US3890109A | Razor blades having high purity Al{hd 2{b O{HD 3 {B coating | Expired / Lapsed | 1973-04-06 | 1975-06-17 | 13 | Details |
| US3881828A | Pens and nibs therefor | Expired / Lapsed | 1973-07-12 | 1975-05-06 | 11 | Details |
| US3848583A | Spirometers | Expired / Lapsed | 1973-02-07 | 1974-11-19 | 21 | Details |
| US3774703A | Razor blades and methods of manufacture thereof | Expired / Lapsed | 1971-04-14 | 1973-11-27 | 20 | Details |
| US3480483A | Razor blades and methods of manufacture thereof | Expired / Lapsed | 1966-05-04 | 1969-11-25 | 0 | Details |
| US3388831A | Shaving units and dispensers therefor | Expired / Lapsed | 1966-04-25 | 1968-06-18 | 0 | Details |
| US3186151A | Cutters for grass and other vegetable matter | Expired / Lapsed | 1963-01-30 | 1965-06-01 | 2 | Details |