Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5861993 | Apparatus for displaying an image | Christoph Dobrusskin | 1999-01-19 |
| 5830766 | Enhanced signal-to-noise ratio and sensitivity optical immunoassay | John W. Attridge | 1998-11-03 |
| 5806218 | Border for an image | Christoph Dobrusskin | 1998-09-15 |
| 5764411 | Apparatus for displaying an image | — | 1998-06-09 |
| 5629796 | Image frame | — | 1997-05-13 |
| 5514127 | Apparatus for irradiating an area with a controllable pattern of light | — | 1996-05-07 |
| 5478755 | Long range surface plasma resonance immunoassay | John W. Attridge | 1995-12-26 |
| 5260625 | Color sequential illumination system | John G. Holden, Andrew N. Carrington | 1993-11-09 |
| 5193015 | Cholesteric liquid crystal screen which reflects substantially all of the projected light | — | 1993-03-09 |
| 5182490 | Light sources | John G. Holden | 1993-01-26 |
| 5141868 | Device for use in chemical test procedures | Alan M. Smith, Claes Nylander | 1992-08-25 |
| 4997271 | Method of and an apparatus for producing a required visual signal for direct observation from a first source of light in the presence of a second source of light | — | 1991-03-05 |
| 4995719 | Method of and an apparatus for projecting a scanned two- or three-dimensional modulated light pattern originating from a light source | — | 1991-02-26 |
| 4978503 | Devices for use in chemical test procedures | Alan M. Smith | 1990-12-18 |
| 4810658 | Photometric instruments, their use in methods of optical analysis, and ancillary devices therefor | Alan M. Smith | 1989-03-07 |
| 4626840 | Electronic display suitable for polar coordinate representations | John L Glasper | 1986-12-02 |
| 4591849 | Liquid crystal displays | Anthony J. Hughes, Frances C. Saunders | 1986-05-27 |
| 4527863 | Electronic displays | John L Glasper, Michael G. Clark | 1985-07-09 |
| 4414565 | Method and apparatus for producing three dimensional displays | — | 1983-11-08 |
| 4386411 | Random pattern generator | Robert J. Risk | 1983-05-31 |
| 4346378 | Double trace electro optic display | — | 1982-08-24 |
| 4342030 | Analogue displays for electronic timepieces or meters | — | 1982-07-27 |
| 4328493 | Liquid crystal color displays | Michael G. Clark, Frank M. Leslie | 1982-05-04 |
| 4326279 | Analogue displays | — | 1982-04-20 |
| 4250503 | Apparatus for displaying waveforms on a matrix display | — | 1981-02-10 |