Stephen N. Oliver

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Mid-Glamorgan, GB

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Patents Grantslast 30 patents

Information Patent Grant
Optical switches
- Patent number 5,445,767
- Issue date Aug 29, 1995
- British Telecommunications public limited company
- Christoper S. Winter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photochromic spiropyran compounds
- Patent number 4,826,977
- Issue date May 2, 1989
- The Plessey Company plc
- Harry G. Heller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photoreactive lenses with adamantane spiro compounds
- Patent number 4,818,096
- Issue date Apr 4, 1989
- The Plessey Company plc
- Harry G. Heller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic 3-pyrryl fulgides and fulgimides
- Patent number 4,737,449
- Issue date Apr 12, 1988
- The Plessey Company P.L.C.
- Harry G. Heller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polychromic tetracyclo-spiro-adamatylidene derivatives, and polychr...
- Patent number 4,685,783
- Issue date Aug 11, 1987
- The Plessey Company P.L.C.
- Harold H. Heller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic compounds and their use in photoreactive lenses
- Patent number 4,576,766
- Issue date Mar 18, 1986
- The Plessey Company plc
- Martin W. Baskerville
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...