Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832645 | Method of manufacturing a cathode ray tube | Johannes W. H. Verhagen, Piet C. J. Van Rens | 1989-05-23 |
| 4718203 | Method for working the funnel portion of a cathode ray tube | Henry A. Schweitz | 1988-01-12 |