| 5984988 |
Shaped abrasive particles and method of making same |
Todd A. Berg, James G. Berg, William K. Leonard |
1999-11-16 |
| RE35570 |
Abrasive article containing shaped abrasive particles |
Todd A. Berg, David E. Broberg, James G. Berg |
1997-07-29 |
| 5366523 |
Abrasive article containing shaped abrasive particles |
Todd A. Berg |
1994-11-22 |
| 5304331 |
Method and apparatus for extruding bingham plastic-type materials |
William K. Leonard, Jerald A. Scherger, Donald R. Winberg |
1994-04-19 |
| 5201916 |
Shaped abrasive particles and method of making same |
Todd A. Berg, James G. Berg, William K. Leonard |
1993-04-13 |
| 4505720 |
Granular silicon carbide abrasive grain coated with refractory material, method of making the same and articles made therewith |
Thomas Gabor, David E. Broberg, Gunther H. Dierssen |
1985-03-19 |