Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5842912 | Apparatus for conditioning polishing pads utilizing brazed diamond technology | Paul Holzapfel, Thomas K. Crosby, Larry Biddlingmeier, Jim Schlueter | 1998-12-01 |
| 4828810 | Removal of low level ethylene oxide contaminants by treatment of contaminated gases with cationic exchange resins at gas-solid interface reaction conditions | David Hammer | 1989-05-09 |
| 4813410 | Gas mask filter for the removal of low level ethylene oxide contaminants from air comprising dried cationic exchange resins | David Hammer | 1989-03-21 |