Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5183426 | Shadow mask stretching apparatus for flat cathode ray tube | Cho Ho-jin | 1993-02-02 |
| 5169351 | Shadow mask heating apparatus for color CRT of the flat faceplate type | — | 1992-12-08 |