Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426586 | Contact glass composition for use in spark plugs | Ching T. Young, Philip R. Woodruff, Duane L. Schreiner, Harold E. Dunfee, Jeff A. Goldacker | 2002-07-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426586 | Contact glass composition for use in spark plugs | Ching T. Young, Philip R. Woodruff, Duane L. Schreiner, Harold E. Dunfee, Jeff A. Goldacker | 2002-07-30 |