Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279330 | Double-acting disc brake | Donald R. Pottorff | 1981-07-21 |
| 4184573 | Double-acting disc brake having floating cylinder head | Jack E. Bricker, Donald R. Pottorff | 1980-01-22 |