Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8585535 | High torque capacity three output differential | Martin Hefter, Richard F. Olenzek, Zinovy Soybel, William James Duncan, Alvan J. Callahan +1 more | 2013-11-19 |
| 5293787 | Rotors having a combined function of providing a variable reluctance magnetic path and an axial thrust bearing surface | Charles E. Allen, Jr. | 1994-03-15 |