loadpatents
Patent applications and USPTO patent grants for Epworth; Richard E.The latest application filed is for "optical waveguide".
Patent | Date |
---|---|
Optical waveguide Grant 7,136,558 - Epworth , et al. November 14, 2 | 2006-11-14 |
Optical waveguide App 20040218879 - Epworth, Richard E. ;   et al. | 2004-11-04 |
Optical network delay mechanisms App 20030035637 - Epworth, Richard E. | 2003-02-20 |
Method of creating bragg gratings in waveguides Grant 5,619,603 - Epworth , et al. April 8, 1 | 1997-04-08 |
Optical amplifiers Grant 5,608,571 - Epworth , et al. March 4, 1 | 1997-03-04 |
Optical soliton pulse transmission system Grant 5,523,874 - Epworth June 4, 1 | 1996-06-04 |
Optical pulse retiming and reshaping circuit Grant 5,513,030 - Epworth April 30, 1 | 1996-04-30 |
Transmission systems incorporating optical amplifiers Grant 5,452,116 - Kirkby , et al. September 19, 1 | 1995-09-19 |
Binary modulation of injection lasers Grant 5,287,366 - Epworth , et al. February 15, 1 | 1994-02-15 |
Optical amplifier gain control Grant 5,117,196 - Epworth , et al. May 26, 1 | 1992-05-26 |
Optical transmission system Grant 5,080,505 - Epworth January 14, 1 | 1992-01-14 |
Optical fibre transmission systems Grant 4,953,939 - Epworth September 4, 1 | 1990-09-04 |
Devices and methods for selectively tapping optical energy from an optical fibre Grant 4,781,428 - Epworth , et al. November 1, 1 | 1988-11-01 |
Optical fiber sensors Grant 4,749,246 - Epworth , et al. June 7, 1 | 1988-06-07 |
Balanced coherent receiver Grant 4,718,121 - Epworth January 5, 1 | 1988-01-05 |
Multiplexing of optical signals Grant 4,625,305 - Epworth November 25, 1 | 1986-11-25 |
Optical frequency modulation system Grant 4,561,119 - Epworth December 24, 1 | 1985-12-24 |
Optical transmission system Grant 4,533,247 - Epworth August 6, 1 | 1985-08-06 |
Termination for telecommunication path Grant 4,238,648 - Epworth December 9, 1 | 1980-12-09 |
Planar laser mount Grant 4,144,504 - Leggett , et al. March 13, 1 | 1979-03-13 |
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