Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350301 | Flow controlled pressure regulating device | Granville W. Hurlong, Jr. | 1982-09-21 |
| 4241753 | Control valve for use with variable displacement piston pump | Frank Woodruff | 1980-12-30 |
| 4235374 | Electronically controlled diesel unit injector | Richard P. Walter, Albert E. Sisson, Charles R. Kelso | 1980-11-25 |