Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7214442 | High specific power, direct methanol fuel cell stack | Mahlon S. Wilson | 2007-05-08 |
| 6864004 | Direct methanol fuel cell stack | Mahlon S. Wilson | 2005-03-08 |
| 5988207 | Decorative storage device for garden hose | Charles D. Kownacki, Franklin T. Clark, Jr., Stephen M. Oas | 1999-11-23 |
| 5956892 | Lawn and garden edging with watering capability | Charles D. Kownacki, Franklin T. Clark, Jr., Stephen M. Oas | 1999-09-28 |
| D410824 | Decorative storage device for a garden hose | Charles D. Kownacki, Franklin T. Clark, Jr., Stephen M. Oas | 1999-06-08 |