Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880628 | Sustained release composition | William Maxwell Allen, Jr., Bernard F. Sansom, Alan D. Wilson, David M. Groffman | 1989-11-14 |
| 4836768 | Coated substrates | Alan D. Wilson, Anthony J. Dunsdon, John Skinner, Pauline J. Brookman | 1989-06-06 |
| 4758612 | Cement-forming compositions | Alan D. Wilson, David M. Groffman, Gary S. Sayers | 1988-07-19 |
| 4661339 | Sustained release composition | William Maxwell Allen, Jr., Bernard F. Sansom, Alan D. Wilson, David M. Groffman | 1987-04-28 |