Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4298275 | Radially varying transmission filter for wide angle copying device | Donna U. Ozern | 1981-11-03 |
JC
James A. Critchlow
Overall (All Time): #4,099,683 of 4,157,543Top 100%
1
Patents All Time