Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947520 | Feed roll sensor for a textile carding machine | John D. Hollingsworth | 1990-08-14 |
| 4839944 | Feed roll sensor for a textile carding machine | John D. Hollingsworth | 1989-06-20 |