Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470221 | Gate assembly | — | 1984-09-11 |
| 4381626 | Automatic gate assembly | Carl E. Donelson | 1983-05-03 |
| 4270312 | Gate assembly | Carl E. Donelson | 1981-06-02 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470221 | Gate assembly | — | 1984-09-11 |
| 4381626 | Automatic gate assembly | Carl E. Donelson | 1983-05-03 |
| 4270312 | Gate assembly | Carl E. Donelson | 1981-06-02 |