Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492403 | Drop door control for internal mixer | John D. Metcalf, John W. Price, Ronald J. Zaucha | 1996-02-20 |
JR
James M. Rothgery
Overall (All Time): #3,736,549 of 4,157,543Top 90%
1
Patents All Time