Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812381 | Electrostatographic toners and developers containing new charge-control agents | Douglas E. Bugner, Peter S. Alexandrovich, Lawrence P. DeMejo | 1989-03-14 |
| 4806284 | New quaternary ammonium salts | Douglas E. Bugner, Peter S. Alexandrovich, Lawrence P. De Mejo, James H. Anderson | 1989-02-21 |
| 4656966 | Method and apparatus for developing electrographic images uses molecular sieve zeolite | — | 1987-04-14 |