Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4235013 | Tube guide-expander | — | 1980-11-25 |
| 4216569 | Method for installing a tube in a heat exchanger tube sheet | Richard L. Stiller, Robert W. Shaffer, Edward H. Smith | 1980-08-12 |
| 4202085 | Apparatus and method for installing rows of U-shaped tubes in a heat exchanger | — | 1980-05-13 |