Susan P. Craig

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Ipswich, GB

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Patents Grantslast 30 patents

Information Patent Grant
Optical fibre amplifier with fluorescent additive and method of amp...
- Patent number RE35946
- Issue date Nov 3, 1998
- British Telecommunications p.l.c.
- Benjamin J. Ainslie
- 385 - Optical waveguides
Information Patent Grant
Optical wave guides
- Patent number 4,936,650
- Issue date Jun 26, 1990
- British Telecommunications Public Limited Company
- Benjamin Ainslie
- G02 - OPTICS
Information Patent Grant
Optical fibre with fluorescent additive
- Patent number 4,923,279
- Issue date May 8, 1990
- British Telecommunications p.l.c.
- Benjamin J. Ainslie
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Preparation of glass fibre
- Patent number 4,799,946
- Issue date Jan 24, 1989
- British Telecommunications p.l.c.
- Benjamin J. Ainslie
- C03 - GLASS MINERAL OR SLAG WOOL