Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829660 | System for removing a plug from a heat exchanger tube | James W. Everett, John B. Gunter, William Woolfolk, Frank Sadofsky, Lawrence A. Nelson +2 more | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829660 | System for removing a plug from a heat exchanger tube | James W. Everett, John B. Gunter, William Woolfolk, Frank Sadofsky, Lawrence A. Nelson +2 more | 1989-05-16 |