Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4761717 | Headlamp pivot assembly | David R. McMahan, William E. Nagengast | 1988-08-02 |
| 4731707 | Vehicle headlamp assembly | David R. McMahan, John D. Geddie | 1988-03-15 |
HM
Harry S. Murphy
Overall (All Time): #2,335,745 of 4,157,543Top 60%
2
Patents All Time