Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5923940 | Cleaning brush having fibers of different lengths | Steven W. Baldwin, Dennis G. Gerbasi, David R. Stookey, Bruce E. Thayer, Ralph Weber +3 more | 1999-07-13 |
| 5903797 | Monitoring cleaning performance to predict cleaner life | Matthew P. Daniels, Dennis G. Gerbasi, David R. Stookey, James J. Teich, Bruce E. Thayer +2 more | 1999-05-11 |