Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039775 | Abrasive article containing a grinding aid and method of making the same | Robert A. Follensbee, Walter L. Harmer, Mary Lou Morris | 2000-03-21 |
| 5958794 | Method of modifying an exposed surface of a semiconductor wafer | Wesley J. Bruxvoort, Scott R. Culler, David A. Kaisaki, Carl R. Kessel, Thomas P. Klun +4 more | 1999-09-28 |
| 5840090 | High performance abrasive articles containing abrasive grains and nonabrasive composite grains | Walter L. Harmer | 1998-11-24 |
| 5738695 | Abrasive article containing an inorganic phosphate | Walter L. Harmer | 1998-04-14 |
| 5702811 | High performance abrasive articles containing abrasive grains and nonabrasive composite grains | Walter L. Harmer | 1997-12-30 |
| 5551962 | Abrasive articles and method of making abrasive articles | — | 1996-09-03 |
| 5552225 | Coated grinding aid particle | — | 1996-09-03 |