Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9165801 | Partial solution replacement in recyclable persulfuric acid cleaning systems | Richard O. Henry, David F. Hilscher, Sandi E. Merritt, Charles J. Taft | 2015-10-20 |
| 8992691 | Partial solution replacement in recyclable persulfuric acid cleaning systems | Richard O. Henry, David F. Hilscher, Sandi E. Merritt, Charles J. Taft | 2015-03-31 |
| 6584989 | Apparatus and method for wet cleaning | Charles J. Taft, Kenneth McCullough, George F. Ouimet, David L. Rath | 2003-07-01 |