Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904898 | Monochrome cathode ray tube electron gun with high voltage electrode lens | Thomas W. Penird, Charles H. Rehkopf, Bruce W. Zellar | 1990-02-27 |
| 4766344 | In-line electron gun structure for color cathode ray tube having oblong apertures | — | 1988-08-23 |
| 4656391 | Color cathode ray tube in-line electron gun focusing electrode with overlapping tapered apertures enlarged for beam spot shaping, and gun structures incorporating same | — | 1987-04-07 |
| 4645469 | Beam shaping CRT electrode and method of fabricating same | Floyd K. Collins | 1987-02-24 |
| 4642515 | Color cathode ray tube in-line electron gun structure incorporating deep saddle accelerating electrode | — | 1987-02-10 |
| 4628224 | Beam shaping CRT electrode | Floyd K. Collins | 1986-12-09 |
| 4542318 | CRT lensing electrodes having apertures defined by tapered sidewalls | — | 1985-09-17 |
| 4535266 | In-line electron gun structure for color cathode ray tube having tapered walls and elongated apertures for beam spot-shaping | — | 1985-08-13 |
| 4517488 | In-line electron gun structure for color cathode ray tube having lensing electrodes with tapered apertures and beam spot-shaping inserts | — | 1985-05-14 |
| 4482840 | CRT Cathode assembly with support means | Floyd K. Collins | 1984-11-13 |
| 4412149 | CRT Focusing electrode structure | — | 1983-10-25 |
| 4374342 | Focusing means in a unitized bi-potential CRT electron gun assembly | — | 1983-02-15 |
| 4374341 | Beam focusing means in a unitized tri-potential CRT electron gun assembly | — | 1983-02-15 |
| 4319160 | One piece astigmatic grid for color picture tube electron gun and method of making same | — | 1982-03-09 |
| 4307498 | One piece astigmatic grid for color picture tube electron gun and method of making same | — | 1981-12-29 |