Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4554377 | Production of N-vinyl carboxylic acid amides | Robert W. Stackman, Richard H. Summerville, deceased | 1985-11-19 |
| 4440946 | Production of esters from aldehydes using a silver/cadmium/zinc/zirconium catalyst | Richard H. Summerville, deceased | 1984-04-03 |