Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4530373 | Pressure relief valve | Carl R. Bork, Jr., William C. Steiss, William P. Tobbe, Earl D. Shufflebarger, Thomas J. Gardner | 1985-07-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4530373 | Pressure relief valve | Carl R. Bork, Jr., William C. Steiss, William P. Tobbe, Earl D. Shufflebarger, Thomas J. Gardner | 1985-07-23 |