Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33742 | Locking differential with electromagnetic actuated clutch | Martin Blessing, Charles F. Heine | 1991-11-12 |
| 4795403 | Torsional sleeve coupling | Charles F. Heine, Mark Charles Barnholt, Donald E. Hobson | 1989-01-03 |
| 4781078 | Locking differential with electromagnetic actuated clutch | Martin Blessing, Charles F. Heine | 1988-11-01 |
| 4774857 | Two speed axle assembly | Charles F. Heine, James A. Krisher | 1988-10-04 |
| 4630506 | Drive axle and method of assembling same | Donald David Allmandinger | 1986-12-23 |
| 4628753 | Lightweight ring gear for a differential | Charles F. Heine | 1986-12-16 |