Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5897204 | Anti-jamming clutch mechanism for a clamping apparatus | Howard R. Dittmer | 1999-04-27 |
| 5711601 | Mixing apparatus for pulverulent materials | William A. Miller, Margaret M. Lowan | 1998-01-27 |
| D374677 | Mixing apparatus | Price R. Hodson | 1996-10-15 |