Stein; Richard J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stein; Richard J..The latest application filed is for "longwall shearer tracking system".
- Stein; Richard J. - Huntsville AL
- Stein; Richard J. - Stow MA
- Stein; Richard J. - Scarsdale NY
- Stein; Richard J. - Great Neck NY
| Patent | Date |
|---|---|
| Longwall shearer tracking system Grant 4,466,667 - Poulsen , et al. August 21, 1 | 1984-08-21 |
| Semiconductor device design and process Grant 4,403,396 - Stein September 13, 1 | 1983-09-13 |
| Container package Grant 3,930,578 - Stein January 6, 1 | 1976-01-06 |
| Electro-optical Display Device Employing Liquid Crystals Grant 3,666,881 - Stein May 30, 1 | 1972-05-30 |
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