Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5433138 | Tamper-resistant brake actuator | Graydon J. Choinski, David W. Brooks | 1995-07-18 |
| 5311809 | Method of making tamper-resistant brake actuators | Graydon J. Choinski, David W. Brooks | 1994-05-17 |
| 5263403 | Method of forming a tamper-resistant brake actuator | Graydon J. Choinski, David W. Brooks | 1993-11-23 |
| 5205205 | Tamper resistant brake actuator | Graydon J. Choinski, David W. Brooks | 1993-04-27 |
| 5067391 | Tamper-resistant brake actuator | Graydon J. Choinski, David W. Brooks | 1991-11-26 |
| 4960036 | Tamper-resistant brake actuator | Graydon J. Choinski, David W. Brooks | 1990-10-02 |