Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644167 | Radiation dose rate measuring device | — | 1987-02-17 |
| 4614057 | Automatic operating system and method for swinging doors | — | 1986-09-30 |
| 4604826 | Automatic sliding door operator | — | 1986-08-12 |
| 4289995 | Electric door operator with slip clutch and dynamic braking | James A. Gallion | 1981-09-15 |