Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5824276 | Method and apparatus for uniformly dispersing articles in a treatment solution | Robert Allen Janssen, Barbara L. Heyl, Roger J. Hoffman | 1998-10-20 |
| 5805264 | Process for graft polymerization on surfaces of preformed substates to modify surface properties | Robert Allen Janssen, Ellen Marie Ajello, Richard D. Auten, Glenn S. Nomura | 1998-09-08 |
| 5665420 | Impulse-jet method and apparatus for uniformly dispersing articles in a treatment solution | Robert Allen Janssen, Barbara L. Heyl, Roger J. Hoffman | 1997-09-09 |