Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4232809 | Apparatus for thermally severing glass | Hans W. Boehm, Richard A. Herrington | 1980-11-11 |
| 4190184 | Method of and apparatus for thermally cutting glass | Ralph Charles Poplawsky | 1980-02-26 |