Opdahl; Everett W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Opdahl; Everett W..The latest application filed is for "advertising display".
- Opdahl; Everett W. - Long Green MD
- Opdahl; Everett W. - Lutherville MD
| Patent | Date |
|---|---|
| Advertising display Grant 5,239,765 - Opdahl August 31, 1 | 1993-08-31 |
| Deployment/retrieval system Grant 4,890,751 - Opdahl January 2, 1 | 1990-01-02 |
| Low profile deployment/retrieval system Grant 4,598,882 - Opdahl July 8, 1 | 1986-07-08 |
| Inductive coupler Grant 4,303,902 - Lesster , et al. December 1, 1 | 1981-12-01 |
| Manipulator Arm Grant 3,610,438 - Opdahl October 5, 1 | 1971-10-05 |
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