Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6181992 | Automotive diagnostic service tool with hand held tool and master controller | Krzysztof Gurne, Raymond J. Williams, Robert Barker, Jr., Gregory J. Broniak, Daniel J. Marus | 2001-01-30 |
| 5609550 | Method for diagnosing a torque converter's lock-up mechanism | Rajiv Saxena, Samuel Campbell, Himshweta R. Amin, William O. Robinson | 1997-03-11 |
| 5555498 | Circuit and method for interfacing vehicle controller and diagnostic test instrument | Charles J. Berra, Alan J. Amici, Joseph Krebs | 1996-09-10 |
| 5541840 | Hand held automotive diagnostic service tool | Krzysztof Gurne, Raymond J. Williams, Robert Barker, Jr., Gregory J. Broniak, Daniel J. Marus | 1996-07-30 |
| 4469459 | Color printer | Richard D. Trezise, Keith Gnutzman | 1984-09-04 |
| 4448556 | Cartridge for matrix printer | Richard D. Trezise, Keith Gnutzman | 1984-05-15 |