Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5755383 | Automatic sprinkler garden edging system | — | 1998-05-26 |
| 4433344 | Automatic television antenna control system | James H. Gradin | 1984-02-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5755383 | Automatic sprinkler garden edging system | — | 1998-05-26 |
| 4433344 | Automatic television antenna control system | James H. Gradin | 1984-02-21 |