Mackiewicz; Edward T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mackiewicz; Edward T..The latest application filed is for "interlock electrical socket mount".
- Mackiewicz; Edward T. - Elmwood Park IL
- Mackiewicz; Edward T. - Chicago IL
| Patent | Date |
|---|---|
| Interlock electrical socket mount Grant 5,006,970 - Mackiewicz April 9, 1 | 1991-04-09 |
| Water-proof and impact-resistant lighting fixture Grant 4,827,386 - Mackiewicz May 2, 1 | 1989-05-02 |
| Lighting fixture with square beam pattern Grant 4,633,377 - Mackiewicz December 30, 1 | 1986-12-30 |
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