Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4201366 | Bellows valve | Oliver L. Danko, Bernard J. Gallagher, Earl D. Shufflebarger, David Simko | 1980-05-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4201366 | Bellows valve | Oliver L. Danko, Bernard J. Gallagher, Earl D. Shufflebarger, David Simko | 1980-05-06 |