Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4505203 | Frangible ballast | D. Ward Brady | 1985-03-19 |
| 4250441 | Servo apparatus with electrical motion limiting | James W. Ratz | 1981-02-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4505203 | Frangible ballast | D. Ward Brady | 1985-03-19 |
| 4250441 | Servo apparatus with electrical motion limiting | James W. Ratz | 1981-02-10 |