Frigard; Charles R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frigard; Charles R..The latest application filed is for "camera".
- Frigard; Charles R. - Mound MN
- Frigard; Charles R. - Newbury Park CA
- Frigard; Charles R. - Holland MI
- Frigard; Charles R. - Deephaven MN
| Patent | Date |
|---|---|
| Camera Grant D487,577 - Sheard , et al. March 16, 2 | 2004-03-16 |
| Trimaran Grant 5,617,805 - Frigard April 8, 1 | 1997-04-08 |
| Slotted roller skate Grant D321,393 - Olson , et al. November 5, 1 | 1991-11-05 |
| Roller skate brake Grant D315,941 - Olson , et al. April 2, 1 | 1991-04-02 |
| Roller skate Grant D301,908 - Olson , et al. June 27, 1 | 1989-06-27 |
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