Langewis; Cornelis
Patent Applications and Registrations
Patent applications and USPTO patent grants for Langewis; Cornelis.The latest application filed is for "manual cursor actuator for electronic keyboards".
- Langewis; Cornelis - Walnut Creek CA
| Patent | Date |
|---|---|
| Manual cursor actuator for electronic keyboards Grant 4,786,768 - Langewis , et al. November 22, 1 | 1988-11-22 |
| Can trimmer device Grant 3,864,995 - Langewis February 11, 1 | 1975-02-11 |
| Metal Press Grant 3,745,633 - Langewis July 17, 1 | 1973-07-17 |
| Container Forming Apparatus Grant 3,678,725 - Langewis July 25, 1 | 1972-07-25 |
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