Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071276 | Contact lens cleaning system | Randolph D. Nielsen, Clarence J. Endicott | 1991-12-10 |
GH
Gerald W. Hietala
Overall (All Time): #3,891,432 of 4,157,543Top 95%
1
Patents All Time