Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219273 | Torsional damper for air conditioning compressor | — | 1993-06-15 |
| 5195625 | Torque cushion for electromagnetic clutch | Robert L. Swadner | 1993-03-23 |
RC
Roy Y. Chang
Overall (All Time): #2,300,569 of 4,157,543Top 60%
2
Patents All Time