Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7882869 | Replaceable flute inserts for a roller assembly of a debarker apparatus | Douglas B. Jeffrey, Marek Cholewczynski | 2011-02-08 |
| 6422277 | Feed rolls with replaceable flute elements | Marek Cholewczynski | 2002-07-23 |
| 6253813 | Feed rolls with replaceable flute elements | Marek Cholewczynski | 2001-07-03 |