Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436231 | Method and apparatus for crosslinking individualized cellulose fibers | Peter A. Graef, Colin Elston, Fred E. Olmstead, Clifford R. Bolstad, Frank R. Hunter +1 more | 2002-08-20 |
| 5437418 | Apparatus for crosslinking individualized cellulose fibers | Peter A. Graef, Colin Elston, Fred E. Olmstead, Clifford R. Bolstad, Frank R. Hunter +1 more | 1995-08-01 |
| 5324391 | Method for crosslinking cellulose fibers | Allan R. Carney, Peter A. Graef, Clifford R. Bolstad, Fred E. Olmstead | 1994-06-28 |
| 5277371 | Multi pin rotor fiber fluff generator | Herrman J. Maag | 1994-01-11 |
| 5253815 | Fiberizing apparatus | Fred E. Olmstead, Peter A. Graef, Clifford R. Bolstad | 1993-10-19 |