Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858305 | Single station tension hairpin tube expander | Kenneth P. Gray, Michael L. McDonough, Bruce J. Poplawski, Daniel P. Gaffaney | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858305 | Single station tension hairpin tube expander | Kenneth P. Gray, Michael L. McDonough, Bruce J. Poplawski, Daniel P. Gaffaney | 1989-08-22 |