Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7409993 | Weight spacer apparatus | Chenghua Han, Bennie Gill, Mark C. Duhon, Jerry D. Campbell, Ronald Lutz | 2008-08-12 |
RF
Robert Ferrence
Overall (All Time): #3,362,847 of 4,157,543Top 85%
1
Patents All Time