Jack Brettle

Person

Towcester, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Doped polymer films for waveguides
- Patent number 5,080,931
- Issue date Jan 14, 1992
- Plessey Overseas Limited
- Clive Trundle
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical data storage
- Patent number 5,061,582
- Issue date Oct 29, 1991
- Plessey Overseas Limited
- Jack Brettle
- G11 - INFORMATION STORAGE
Information Patent Grant
Marking of articles with photochromic compounds
- Patent number 4,927,180
- Issue date May 22, 1990
- Plessey Overseas Limited
- Clive Trundle
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Chromatographic separation device
- Patent number 4,891,120
- Issue date Jan 2, 1990
- Rajinder S. Sethi
- G01 - MEASURING TESTING
Information Patent Grant
Organic optical waveguides and method of fabricating waveguide stru...
- Patent number 4,838,634
- Issue date Jun 13, 1989
- The Plessey Company plc
- Ian Bennion
- G02 - OPTICS
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
Irreversible photochromic markings
- Patent number 4,812,171
- Issue date Mar 14, 1989
- The Plessey Company
- Jack Brettle
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Plastics encapsulated electronic devices
- Patent number 4,614,963
- Issue date Sep 30, 1986
- Plessey Overseas Limited
- Jack Brettle
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Radar wave dipole of copper coated carbon fibers
- Patent number 4,600,642
- Issue date Jul 15, 1986
- Plessey Overseas Limited
- Kevin J. Lodge
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Conductive gaskets
- Patent number 4,594,472
- Issue date Jun 10, 1986
- Plessey Overseas Limited
- Jack Brettle
- G12 - INSTRUMENT DETAILS

Jack Brettle

Person

Patents Grantslast 30 patents

Doped polymer films for waveguides

Optical data storage

Marking of articles with photochromic compounds

Chromatographic separation device

Organic optical waveguides and method of fabricating waveguide stru...

Photoreactive lenses with adamantane spiro compounds

Irreversible photochromic markings

Plastics encapsulated electronic devices

Radar wave dipole of copper coated carbon fibers

Conductive gaskets