Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351303 | Multiple lateral imaging apparatus and method | Martin Klein | 2002-02-26 |
| 5814826 | Method and apparatus for aligning photoprinting plates in a production line | Gunter Kettner, Dietmar Schuldt, Lutz Hamann | 1998-09-29 |
| 5754279 | Method and apparatus for changing photoprinting glass in production line | Peter Palmie | 1998-05-19 |
| 5686784 | Composite shiftable aperture mask | Klaus-Peter Helmetag | 1997-11-11 |
| 5484074 | Method for manufacturing a shadow mask | Dean T. Deibler, Thomas Ratz, Peter L. Takach | 1996-01-16 |
| 5387313 | Etchant control system | — | 1995-02-07 |
| 5382870 | Stackable aperture masks | — | 1995-01-17 |
| 5378308 | Etchant distribution apparatus | — | 1995-01-03 |
| 5298352 | Emulsion printing plates and evacuation channels | — | 1994-03-29 |
| 4743795 | Multi-graded aperture masks | — | 1988-05-10 |
| 4632726 | Multi-graded aperture mask method | — | 1986-12-30 |
| 4596629 | Television picture tubes | — | 1986-06-24 |
| 4518892 | Television picture tube with aperture mask having recesses therein | — | 1985-05-21 |
| 4389592 | Color picture tube and aperture mask therefor | — | 1983-06-21 |
| 4353948 | Hole technology | — | 1982-10-12 |
| 4303466 | Process of forming graded aperture masks | — | 1981-12-01 |