Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4250251 | Phenylsulfamoyl couplers, coupler compositions and photographic elements suited to forming integral sound tracks | Robert G. Cameron, Edward J. Walsh | 1981-02-10 |
| T998007 | Phenylsulfamoyl couplers | Robert G. Cameron, Edward J. Walsh | 1980-09-02 |