Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4459917 | Method and apparatus for producing even tube extensions in a partially assembled heat exchanger | John E. Michael | 1984-07-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4459917 | Method and apparatus for producing even tube extensions in a partially assembled heat exchanger | John E. Michael | 1984-07-17 |