Powell; Ian
Patent Applications and Registrations
Patent applications and USPTO patent grants for Powell; Ian.The latest application filed is for "optical arrangements including fresnel lens elements".
- Powell; Ian - Cupertino CA
- Powell; Ian - Ottawa CA
- Powell; Ian - Gloucester CA
Trademarks
| Patent | Date |
|---|---|
| Optical Arrangements Including Fresnel Lens Elements App 20200333591 - Fortin-Deschenes; Simon ; et al. | 2020-10-22 |
| Optical arrangements including Fresnel lens elements Grant 10,761,321 - Fortin-Desch nes , et al. Sep | 2020-09-01 |
| Optical Arrangements Including Fresnel Lens Elements App 20190227305 - Fortin-Desch nes; Simon ; et al. | 2019-07-25 |
| Retinal fundus surveillance method and apparatus Grant 8,807,751 - Kahn , et al. August 19, 2 | 2014-08-19 |
| Retinal Fundus Surveillance Method And Apparatus App 20130301004 - KAHN; David Alexander ; et al. | 2013-11-14 |
| Retinal fundus surveillance method and apparatus Grant 8,491,120 - Kahn , et al. July 23, 2 | 2013-07-23 |
| Retinal Fundus Surveillance Method And Apparatus App 20110043756 - Kahn; David Alexander ; et al. | 2011-02-24 |
| Wavelength dispersive fourier transform spectrometer Grant 7,317,535 - Cheben , et al. January 8, 2 | 2008-01-08 |
| Optical switch Grant 7,039,267 - Ducellier , et al. May 2, 2 | 2006-05-02 |
| Wavelength dispersive fourier transform spectrometer App 20060055935 - Cheben; Pavel ; et al. | 2006-03-16 |
| Optical switch App 20040184716 - Ducellier, Thomas ; et al. | 2004-09-23 |
| Panoramic fish-eye imaging system Grant 5,631,778 - Powell May 20, 1 | 1997-05-20 |
| D-shape laser beam projector Grant 5,629,808 - Powell May 13, 1 | 1997-05-13 |
| Panoramic lens Grant 5,473,474 - Powell December 5, 1 | 1995-12-05 |
| Optical projection system including a refractive lens assembly having a gap between constituent lenses Grant 5,161,062 - Shafer , et al. November 3, 1 | 1992-11-03 |
| Linear deiverging lens Grant 4,826,299 - Powell May 2, 1 | 1989-05-02 |
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