Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578098 | Coated abrasive containing erodible agglomerates | John J. Gagliardi, Jason A. Chesley, Charles H. Houck, Ernest J. Duwell | 1996-11-26 |
| 5454750 | Coated abrasive containing erodable agglomerates | Ernest J. Duwell | 1995-10-03 |