Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7798761 | Electronic control system and method for an auxiliary device interlock safety system | Ronald W. Goodrich, Keith Heigl | 2010-09-21 |
| 6825628 | Electronic controller for vehicular wheelchair access | Keith Heigl, Ronald W. Goodrich | 2004-11-30 |