Hamar; Douglas J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamar; Douglas J..The latest application filed is for "lighted flooring".
- Hamar; Douglas J. - Hancock MI
- Hamar; Douglas J - Chassel MI
- Hamar, Douglas J. - Chassel MI
- Hamar; Douglas J. - Chassell MI
| Patent | Date |
|---|---|
| Lighted flooring Grant 8,220,949 - Hamar , et al. July 17, 2 | 2012-07-17 |
| Lighted Flooring App 20110149558 - Hamar; Douglas J. ; et al. | 2011-06-23 |
| Lighted flooring Grant 7,918,579 - Hamar , et al. April 5, 2 | 2011-04-05 |
| Nailing device Grant 7,419,078 - Hamar September 2, 2 | 2008-09-02 |
| Lighted flooring App 20070263380 - Hamar; Douglas J. ; et al. | 2007-11-15 |
| Nailing device App 20070017953 - Hamar; Douglas J. | 2007-01-25 |
| Floor system Grant 6,931,808 - Hamar August 23, 2 | 2005-08-23 |
| Floor system App 20020108341 - Hamar, Douglas J. | 2002-08-15 |
| Floor system Grant 6,397,543 - Hamar June 4, 2 | 2002-06-04 |
| Portable multi-section activity floor and method of manufacture and installation Grant 6,173,548 - Hamar , et al. January 16, 2 | 2001-01-16 |
| Floor system Grant 6,044,606 - Hamar April 4, 2 | 2000-04-04 |
| Multi-panel activity floor with fixed hinge connections Grant 5,987,839 - Hamar , et al. November 23, 1 | 1999-11-23 |
| Portable sectional flooring system with post support Grant 5,121,579 - Hamar , et al. June 16, 1 | 1992-06-16 |
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