Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5049013 | Mixer apparatus | David J. Engles, Daniel J. Bentley, Gary A. Quinter | 1991-09-17 |
| 4834932 | Method for making an end connection for composite shafts | Robert Blakley, Marlin D. Schutte, Keith T. McDermott | 1989-05-30 |
| 4722717 | End connection for composite shafts | Robert Blakley, Marlin D. Schutte, Keith T. McDermott | 1988-02-02 |
| 4722608 | Mixing apparatus | Keith T. McDermott | 1988-02-02 |
| 4606648 | Clustered mixing system | Chandler K. Coyle | 1986-08-19 |
| 4566801 | Submersible mixer alignable in a horizontal or vertical mode | — | 1986-01-28 |
| D255451 | Blade for mixing liquids in a conduit | Norman R. Herbst, William F. Hutchings, William J. Montagno | 1980-06-17 |