Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D286781 | Piston | John G. Collyear | 1986-11-18 |
| 4553472 | Pistons and method for their manufacture | Robert Munro, Neil Graham | 1985-11-19 |
| 4535682 | Pistons | John G. Collyear | 1985-08-20 |
| 4508772 | Pressed composite assembly and method | Mark T. Churchland | 1985-04-02 |
| 4475764 | Automobile cover | Mark R. Hutchinson | 1984-10-09 |