Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9714140 | Belt configured to include rigid portions | — | 2017-07-25 |
| 5700140 | Pump with improved bearing arrangement for axial position control | Michael Franklin Hughes, Paul J. Lutes | 1997-12-23 |
| 5431552 | Vane pump | James Jay Davis, Michael Franklin Hughes, Ronald A. Schuller, Michael W. Spidell, Alan P. Tiefenbrun | 1995-07-11 |
| 5053231 | Process for preparing an alcoholic product | Harry L. Riffkin, Thomas A. Bringhurst | 1991-10-01 |
| D294265 | Fluid ejector pump | — | 1988-02-16 |