Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422028 | Apparatus for controlling and metering fluid flow | John A. Kielb, Mark Daniel Litecky | 2008-09-09 |
| 7131451 | Apparatus for controlling and metering fluid flow | John A. Kielb, Mark Daniel Litecky | 2006-11-07 |