Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396840 | Manual bar coder | — | 1995-03-14 |
| 4908986 | Plant fertilizing and watering device | Robert G. Rowland | 1990-03-20 |
| 4230380 | Phonograph record holder | — | 1980-10-28 |
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396840 | Manual bar coder | — | 1995-03-14 |
| 4908986 | Plant fertilizing and watering device | Robert G. Rowland | 1990-03-20 |
| 4230380 | Phonograph record holder | — | 1980-10-28 |