Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8680758 | Spark plug having a plastic upper insulator and method of construction | Kevin L. Miller, Richard L. Keller, William J. Walker, Jr., James D. Lykowski, Shuwei Ma +7 more | 2014-03-25 |
| 4370721 | Method for modifying programmed positions by using a programmably controlled surface sensing element | John A. Berenberg, William A. Haggerty, Richard L. Kegg, Ralph C. Taylor, Jr. | 1983-01-25 |