Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819689 | Head-guided poppet valve member and valve assembly | James S. Bunn | 1989-04-11 |
| 4737080 | Valve assembly | Lauren D. Sperry, James S. Bunn | 1988-04-12 |
| 4445824 | Valve for compressor clearance or by-pass control | Stuart E. Bunn | 1984-05-01 |
| 4398559 | Valve member and assembly with inlet and outlet pressure relief grooves | Stuart E. Bunn | 1983-08-16 |
| 4350179 | Valve assembly with relief groove | Stuart E. Bunn | 1982-09-21 |