Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4682934 | Wheel anti-rotation means | Victor J. Knorowski, Ronald John Placek | 1987-07-28 |
CH
Charles R. Hean
Overall (All Time): #3,979,160 of 4,157,543Top 100%
1
Patents All Time