Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499787 | Collapsible holder for thin plastic bag utilizing non-slip tightening means | — | 1996-03-19 |
| 5421066 | Self-locking tensioning bar | — | 1995-06-06 |
| 4401242 | Dual delivery hopper discharge apparatus | — | 1983-08-30 |
| 4215569 | Unitary valve for water brake dynamometer | Kenneth M. Coldren, Loren L. Rathbun, Ronald D. Towner | 1980-08-05 |
| 4213332 | Rotor-stator configuration for water brake dynamometer | Kenneth M. Coldren, Verne O. Lemke, Loren L. Rathbun, Ronald D. Towner | 1980-07-22 |
| 4201081 | Pressure responsive sensing device | — | 1980-05-06 |