Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7788965 | Portable friction testing device | William Allen Arnold, Chenghsiung Lin, Christopher Aldrich Brown, Torbjorn Stansen Bergstrom | 2010-09-07 |
DG
Douglas Jeffrey Geiger
Overall (All Time): #3,301,413 of 4,157,543Top 80%
1
Patents All Time