Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588221 | Segmented door opener | Cardell E. Miller, George L. Engstrom, John Thorson | 1986-05-13 |
| 4354806 | Pneumatically powerable double acting positive displacement fluid pump | John R. McMillin, William A. Harvill, William S. Credle, Jr. | 1982-10-19 |
| D264972 | Fluid pump | John R. McMillin | 1982-06-15 |
| 4310025 | Spool type fluid control valve | — | 1982-01-12 |
| 4304736 | Method of and apparatus for making and dispensing a carbonated beverage utilizing propellant carbon dioxide gas for carbonating | John R. McMillin, William A. Harvill, William S. Credle, Jr. | 1981-12-08 |
| 4218014 | Multiple flavor post-mix beverage dispensing head | — | 1980-08-19 |
| 4187262 | Carbonator and liquid level control | Herman S. Fessler | 1980-02-05 |