Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350722 | Hollow glass article with improved optical finish | Donald G. Trutner | 1982-09-21 |
| 4295873 | Method and apparatus for reworking a hollow workpiece | Donald G. Trutner | 1981-10-20 |
| 4256989 | Incandescent lamp with filament mounting means and socket adaptor | Donald G. Trutner, Dávid Kovács, Raymond Fontana | 1981-03-17 |