Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859276 | Tube flush etching, rinsing, drying, inspecting and plugging subsystem and method in a tube manufacturing system | Clarence D. John, Jr., Francis C. McNerney | 1989-08-22 |