Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883026 | Means for adjusting the timing of a valve | Wilfred P. Mansfield, Jill Mansfield, John Rickard Mansfield | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883026 | Means for adjusting the timing of a valve | Wilfred P. Mansfield, Jill Mansfield, John Rickard Mansfield | 1989-11-28 |