Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4608122 | Method for washing a paper fiber on a belt washer using a sonic frequency disturbance | Edward P. Klein | 1986-08-26 |
| 4539827 | Belt washing improvements | Edward P. Klein | 1985-09-10 |