Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6190235 | Method and apparatus for reclaiming used abrasives | Julius J. Csabai | 2001-02-20 |
| 5570883 | Sport racket with string stabilization and friction coating | — | 1996-11-05 |
| 5456628 | Use of specular hematite as an impact material | — | 1995-10-10 |
| 4900341 | Purification system | — | 1990-02-13 |