Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878953 | Method of refurbishing cast gas turbine engine components and refurbished component | Timothy A. Wertz, Ira Friedman | 1989-11-07 |
| 4864094 | Process of fabricating a cutting edge on a tool and a cutting tool made thereby | Timothy A. Wertz, Ira Friedman | 1989-09-05 |
| 4822248 | Rebuilt shrouded turbine blade and method of rebuilding the same | Timothy A. Wertz, Ira Friedman | 1989-04-18 |
| 4808055 | Turbine blade with restored tip | Timothy A. Wertz, Ira Friedman | 1989-02-28 |