Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887578 | On board refueling vapor recovery system | William F. Woodcock, William E. Ruhig, Jr. | 1989-12-19 |
| 4796593 | Tank mounted valve for fuel vapor recovery system | William F. Woodcock | 1989-01-10 |