Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486200 | Method of making an abrasive article comprising abrasive agglomerates supported in a fibrous matrix | Raymond F. Heyer | 1984-12-04 |
| 4355489 | Abrasive article comprising abrasive agglomerates supported in a fibrous matrix | Raymond F. Heyer | 1982-10-26 |