Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638131 | Steering wheel pad keyboard switch assembly | Richard L. Kidd, Philip Jerome Engler, Song Lu | 1987-01-20 |
JG
Jerry A. Graf
Overall (All Time): #3,966,893 of 4,157,543Top 100%
1
Patents All Time