Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681612 | Coated abrasives and methods of preparation | Michael Schneider, Donna W. Bange, Gary L. Heacox, Timothy J. Trudeau, Subramanian Krishnan | 1997-10-28 |
| 5609706 | Method of preparation of a coated abrasive belt with an endless, seamless backing | Diana Denise Zimny, Donna W. Bange | 1997-03-11 |