Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4235320 | Retarder and friction brakes | James C. Polak, Carl A. Lentz, Walter E. Palmer, Robert H. Schaefer | 1980-11-25 |
HF
Harry Fackenthal
Overall (All Time): #4,124,352 of 4,157,543Top 100%
1
Patents All Time