Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5611825 | Abrasive articles and methods of making same | Robbyn L. Engen | 1997-03-18 | $14,362,000 |
| 5551961 | Abrasive articles and methods of making same | Robbyn L. Engen, Douglas S. Spencer | 1996-09-03 | $6,685,000 |
| 5486219 | Coatable urea-aldehyde solutions containing a cocatalyst, coated abrasives made using said solutions, and method of making coated abrasives | Ellen Y. Chu, Harold E. Rude | 1996-01-23 | $18,449,000 |