Gruczelak; Norman P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gruczelak; Norman P..The latest application filed is for "portable concrete washout facility".
- Gruczelak; Norman P. - Ben Lomond CA
- Gruczelak; Norman P. - Thousand Oaks CA
- Gruczelak; Norman P. - Santa Barbara CA
- Gruczelak; Norman P. - Houston TX
| Patent | Date |
|---|---|
| Portable Concrete Washout Facility App 20110303243 - Leonardich; Ernest Kim ; et al. | 2011-12-15 |
| Portable concrete washout facility Grant 8,020,569 - Leonardich , et al. September 20, 2 | 2011-09-20 |
| Concrete Pump Washout Systems And Methods App 20090178974 - Leonardich; Ernest Kim ; et al. | 2009-07-16 |
| Portable Concrete Washout Facility App 20090044832 - Leonardich; Ernest Kim ; et al. | 2009-02-19 |
| Transportable Concrete Pump Washout Systems And Methods App 20070256707 - Leonardich; Ernest Kim ; et al. | 2007-11-08 |
| Disc cartridge loading mechanism Grant 4,419,703 - Gruczelak , et al. December 6, 1 | 1983-12-06 |
| Air-flow system for a disk file Grant 4,339,777 - Gruczelak July 13, 1 | 1982-07-13 |
| Head positioning system for disc files Grant 4,131,921 - Gruczelak December 26, 1 | 1978-12-26 |
| Station Document Reader Grant 3,555,247 - Gruczelak January 12, 1 | 1971-01-12 |
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