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name:-0.020103931427002
name:-0.00050997734069824
Epworth; Richard E Patent Filings

Epworth; Richard E

Patent Applications and Registrations

Patent applications and USPTO patent grants for Epworth; Richard E.The latest application filed is for "optical waveguide".

Company Profile
0.18.2
  • Epworth; Richard E - Sawbridgeworth GB
  • Epworth, Richard E. - Sawbridgeworth GB
  • Epworth, Richard E. - Herts GB
  • Epworth; Richard E. - Stortford GB2
  • Epworth; Richard E. - Bishop's Stortford GB
  • Epworth; Richard E. - Bishops Stortford GB3
  • Epworth; Richard E. - Bishop Stortford GB3
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
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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