Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492403 | Drop door control for internal mixer | John D. Metcalf, John W. Price, James M. Rothgery | 1996-02-20 |
| 4539169 | Apparatus and method for forming a co-extrusion from extruded strips | Bryan E. Nixon, Donald W. Ward | 1985-09-03 |