Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860414 | Indexing and transporting mechanism | David W. Scott | 1989-08-29 |
| 4852532 | Rotary valve for internal combustion engines | — | 1989-08-01 |
| 4840197 | Power steering valve | John Baxter | 1989-06-20 |