Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7690861 | Temporary slurry markers | — | 2010-04-06 |
| 6713727 | Caulking warmer | — | 2004-03-30 |
| 5230117 | Golf shoe and golf club cleaning device | Robert N. Johnson | 1993-07-27 |
| 4876460 | Uninterrupted power supply | — | 1989-10-24 |
| 4807889 | Arrowhead | — | 1989-02-28 |
| 4599876 | Control mechanisms suitable for actuating power-operated locks | — | 1986-07-15 |
| D256069 | Rocking chair | — | 1980-07-29 |