Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353729 | Apparatus and method for performing external surface work on ship hulls | Richard A. Goldbach, William A. Wagner, Joseph Henry Hoffman | 1994-10-11 |
| 5313903 | Method and apparatus for fabricating double-walled vessel hull midbody modules | Richard A. Goldbach, J. Richard Salzer | 1994-05-24 |