Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908923 | Method of dimensionally stabilizing interface between dissimilar metals in an internal combustion engine | David A. Donovan | 1990-03-20 |
| 4872429 | Method of making low friction finger follower rocker arms | Nathaniel L. Field | 1989-10-10 |
| 4829647 | Method of making low friction finger follower rocker arms | Nathaniel L. Field | 1989-05-16 |