Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107991 | Method and apparatus for friction sorting of particulate materials | Carl W. Nichols, Michael J. Lorang, Michael O. Wold | 1992-04-28 |
| 5080235 | Small particle separator | Carl W. Nichols, Michael J. Lorang, Michael O. Wold, Marvin F. Hansen, Richard D. Johnson | 1992-01-14 |
| 5069346 | Method and apparatus for friction sorting of particulate materials | Carl W. Nicols, Michael J. Lorang, Michael O. Wold | 1991-12-03 |
| 4898620 | Dry ground/wet ground calcium carbonate filler compositions | Robert A. Baker, Kenneth E. Weber | 1990-02-06 |
| 4835195 | Dry ground/wet ground calcium carbonate filler compositions | Robert A. Baker, Kenneth E. Weber | 1989-05-30 |