Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800837 | Machine for depositing product on a plane and horizontal surface, especially machine for depositing frit on cathode tube cones | — | 1989-01-31 |
| 4795392 | Method for sealing vacuum tube tips especially cathode tube tips, and machine for applying this method | Enzo Miccinatti | 1989-01-03 |