Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165320 | Method of sizing | Robert Bates, Edwin R. Hensema, Malcolm J. Welch | 2000-12-26 |
| 6074468 | Sizing composition | Robert Bates, Edwin R. Hensema, Malcolm J. Welch | 2000-06-13 |
| 5972094 | Sizing composition | Robert Bates, Edwin R. Hensema, Malcolm J. Welch | 1999-10-26 |