Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5589318 | High contrast photographic silver halide material | Allison Hazel C. Dale, Roger H. Piggin, Richard A. Hallett | 1996-12-31 |
PM
Paul R. McIntyre
Overall (All Time): #3,760,716 of 4,157,543Top 95%
1
Patents All Time