Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315587 | Powered attaching assembly | Don D. Ritter, Edwin A. Patterson | 1982-02-16 |
| 4215807 | Insertion means for flexible filaments | Don D. Ritter, Edwin A. Patterson | 1980-08-05 |