Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7721409 | Cold formed differential housing with integrated ring gear | Jianwen Li | 2010-05-25 |
| 6183849 | Method for manufacturing composite board using high oil content wax and the composite board made using high oil content wax | John A. Ciruna | 2001-02-06 |
| 5577582 | Polygonal clutch assembly | — | 1996-11-26 |
| 4342166 | Tool fastening | William M. Johnson, Harry Klaassens | 1982-08-03 |