Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7267700 | Structured abrasive with parabolic sides | John D. Haas | 2007-09-11 |
| 5975987 | Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article | Timothy L. Hoopman, James A. Servatius | 1999-11-02 |
| 5454844 | Abrasive article, a process of making same, and a method of using same to finish a workpiece surface | Louis D. Hibbard, John D. Haas | 1995-10-03 |
| 4379824 | Developer compositions having layer of a pigment on the surface thereof | — | 1983-04-12 |