Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8423239 | Method and system for adjusting a charge related to use of a vehicle during a period based on operational performance data | Frederick T. Blumer, Eric C. Berkobin | 2013-04-16 |
| 7942690 | Cable positioner | Eric C. Berkobin, Fred Blumer | 2011-05-17 |