Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5988103 | Apparatus for plasma source ion implantation and deposition for cylindrical surfaces | Robert P. Fetherston, Muhammad M. Shamim | 1999-11-23 |
| 5693376 | Method for plasma source ion implantation and deposition for cylindrical surfaces | Robert P. Fetherston, Muhammad M. Shamim | 1997-12-02 |
| 4778496 | High efficiency particulate air filter cabinet | — | 1988-10-18 |
| 4764394 | Method and apparatus for plasma source ion implantation | — | 1988-08-16 |
| 4756728 | Air filtering device | — | 1988-07-12 |
| 4630530 | Filtering systems for buses | William R. Eckstrom | 1986-12-23 |
| 4208387 | Removal of sulfur dioxide from waste gases | Donald L. Klass | 1980-06-17 |