Shaffer; Robert A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shaffer; Robert A..The latest application filed is for "pivoting dental cabinet assembly".
- Shaffer; Robert A. - Minneapolis MN
- Shaffer; Robert A. - Kenosha WI
| Patent | Date |
|---|---|
| Pivoting Dental Cabinet Assembly App 20200129358 - Shaffer; Robert A. | 2020-04-30 |
| Paint brush with improved grip construction Grant 6,401,290 - Barton , et al. June 11, 2 | 2002-06-11 |
| Roller having slip-on cage for paint roller cover Grant 6,101,662 - Polzin , et al. August 15, 2 | 2000-08-15 |
| Multi-faceted extension pole Grant 5,983,455 - Polzin , et al. November 16, 1 | 1999-11-16 |
| Portion of a paint brush handle Grant D415,899 - Barton , et al. November 2, 1 | 1999-11-02 |
| Pad-type corner painting tool Grant 5,432,972 - Polzin , et al. July 18, 1 | 1995-07-18 |
| Clam shell package Grant D338,619 - Mylander , et al. August 24, 1 | 1993-08-24 |
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