Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11292855 | Controlled particle size distribution | John David Finch | 2022-04-05 |
| 10988558 | Controlled particle size distribution | John David Finch | 2021-04-27 |
| 8684375 | Guard for wheeled base | Harvey S. Fink | 2014-04-01 |
| 8273799 | Amination of vinyl aromatic polymers with tertiary amines | William I. Harris, Dennis A. Keeley, Daryl J. Gisch, Marvin H. Tegen, David Charles McDonald | 2012-09-25 |
| 4851120 | Anionic polysaccharide separation membranes | Charles E. Reineke | 1989-07-25 |