Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5770039 | Method and apparatus for measuring and controlling active oxygen concentration in a bleach environment | Richard J. Mehus, Mark Toetschinger, John R. Spriggs | 1998-06-23 |
| 5205929 | High stability porous zirconium oxide spherules | Peter W. Carr, Eric F. Funkenbusch, Patrick L. Coleman, Douglas A. Hanggi, Wes A. Schafer | 1993-04-27 |
| 5141634 | High stability porous zirconium oxide spherules | Peter W. Carr, Eric F. Funkenbusch, Patrick L. Coleman, Douglas A. Hanggi, Wes A. Schafer | 1992-08-25 |
| 5015373 | High stability porous zirconium oxide spherules | Peter W. Carr, Eric F. Funkenbusch, Patrick L. Coleman, Douglas A. Hanggi, Wes A. Schafer | 1991-05-14 |