Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340442 | Evaluating furnish behavior | Dennis E. Petersen, Terry N. Adams, Russell J. Martz | 1994-08-23 |
| 4969351 | Apparatus for determining drainage time of papermaking stock | David G. Halley | 1990-11-13 |
| 4857149 | Method and products for sizing paper and similar materials | George T. Tiedeman | 1989-08-15 |
| 4624743 | Cationic cellulose product and method for its preparation | — | 1986-11-25 |
| 4613406 | Method of measuring drainage rate | — | 1986-09-23 |
| 4505775 | Method for preparation of cationic cellulose | Margot J. Harding, Robert C. Gaines | 1985-03-19 |