David A. Ferguson

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Ipswich, GB

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Patents Grantslast 30 patents

Information Patent Grant
Optical tapping device for use in conjunction with an optical fiber...
- Patent number 5,410,628
- Issue date Apr 25, 1995
- British Telecommunications public limited company
- Colin R. Paton
- G02 - OPTICS
Information Patent Grant
Optical tap having a v-shaped recess within the range of from 152.d...
- Patent number 5,315,675
- Issue date May 24, 1994
- British Telecommunications public limited company
- Simon M. Dennis
- G02 - OPTICS
Information Patent Grant
Optical power meter
- Patent number 5,127,724
- Issue date Jul 7, 1992
- British Telecommunications
- Simon M. James
- G01 - MEASURING TESTING