Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494607 | Four wing, non-intermeshing rotors for synchronous drive to provide improved dispersive and distributive mixing in internal batch mixers | Lefteris N. Valsamis, Frank Borzenski, Robert L. Wagner, Walter Rapetski | 2002-12-17 |