Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5109696 | Powertrain performance assessment system | Irving Bright, Ronald C. Erickson, Dennis K. Greene, Gerald D. Hardy, Robert Hefner +2 more | 1992-05-05 | $18,077,000 |
| 5040648 | Electrohydraulic control device for a drive train of a vehicle | Randall M. Mitchell, David W. Bump, deceased, Michael F. Coffman, Dwight S. Holloway, Tony L. Marcott +2 more | 1991-08-20 | $4,634,000 |
| 4791663 | Telephone status recognition and bypass system | David T. Rockne | 1988-12-13 |