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name:-0.011528968811035
name:-0.00053906440734863
Le Sergent; Christian Patent Filings

Le Sergent; Christian

Patent Applications and Registrations

Patent applications and USPTO patent grants for Le Sergent; Christian.The latest application filed is for "optical fiber including a fluorescent dopant".

Company Profile
0.9.0
  • Le Sergent; Christian - Marcoussis FR
  • Le Sergent; Christian - Marconisions FR
*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 fiber including a fluorescent dopant
Grant 5,892,876 - Desurvire , et al. April 6, 1
1999-04-06
Method and device for outside plasma deposition of hydroxyl ion-free silica
Grant 5,194,714 - Le Sergent March 16, 1
1993-03-16
Method of flame finishing optical fiber preforms
Grant 5,192,350 - Le Sergent March 9, 1
1993-03-09
Optical amplifier in the 1.26 .mu.m to 1.34 .mu.m spectrum range
Grant 5,185,847 - Fevrier , et al. February 9, 1
1993-02-09
Method of fabricating preforms for making optical fibers by drawing
Grant 5,154,745 - Le Sergent October 13, 1
1992-10-13
Method of manufacturing an optical fiber preform having doped cladding
Grant 5,090,979 - Le Sergent , et al. February 25, 1
1992-02-25
Optical waveguide fabrication method
Grant 4,676,820 - Le Sergent , et al. June 30, 1
1987-06-30
Method of producing an optical fibre blank
Grant 4,121,919 - Le Sergent , et al. October 24, 1
1978-10-24
Method and device for depositing a layer of glass on the inner wall of a tube
Grant 4,117,802 - Le Sergent , et al. October 3, 1
1978-10-03

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