David O. Wharmby

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Leicester, GB

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Patents Grantslast 30 patents

Information Patent Grant
Coil assembly for an electrodeless fluorescent lamp
- Patent number 6,084,359
- Issue date Jul 4, 2000
- General Electric Company
- Frederick Hetzel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrodeless fluorescent lamp
- Patent number 5,959,405
- Issue date Sep 28, 1999
- General Electric Company
- Thomas F. Soules
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Induction lamp with oppositely oriented coil winding layers
- Patent number 5,866,991
- Issue date Feb 2, 1999
- General Electric Company
- Thomas Farkas
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrodeless fluorescent lamp with an electrically conductive coating
- Patent number 5,808,414
- Issue date Sep 15, 1998
- General Electric Company
- David Osborn Wharmby
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrodeless fluorescent lamp having a reduced run-up time
- Patent number 5,767,617
- Issue date Jun 16, 1998
- General Electric Company
- David O. Wharmby
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impedance matching circuit for an electrodeless fluorescent lamp ba...
- Patent number 5,446,350
- Issue date Aug 29, 1995
- General Electric Company
- Sayed-Amr El-Hamamsy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR