Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857694 | Method and apparatus for automatic vapor cooling when shape melting a component | Patrick M. Ryan | 1989-08-15 |
| 4842186 | Method and apparatus for building a workpiece by deposit welding | David P. Edmonds, Michael D. McAninch, Patrick M. Ryan | 1989-06-27 |