Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370752 | Method for repositioning or repairing holes | William C. Anderson, Dewey D. Dunkman, Gerald Roger Geverdt | 2002-04-16 |
RS
Ronald D. Stapperfenne
Overall (All Time): #3,540,791 of 4,157,543Top 90%
1
Patents All Time