Howard G. Lange

Person

Prospect Heights, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical aperture device for manufacturing color cathode ray tubes
- Patent number 5,270,753
- Issue date Dec 14, 1993
- Zenith Electronics Corporation
- Robert Adler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System of printing standardized cathode ray tube screens
- Patent number 5,158,491
- Issue date Oct 27, 1992
- Zenith Electronics Corporation
- James R. Fendley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for making flat tension mask color cathode ray...
- Patent number 5,059,147
- Issue date Oct 22, 1991
- Zenith Electronics Corporation
- Robert Adler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for making flat tension mask color cathode ray...
- Patent number 4,998,901
- Issue date Mar 12, 1991
- Zenith Electronics Corporation
- Robert Adler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for making flat tension mask color cathode ray...
- Patent number 4,973,280
- Issue date Nov 27, 1990
- Zenith Electronics Corporation
- Robert Adler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods and apparatus for making flat tension mask color cathode ra...
- Patent number 4,902,257
- Issue date Feb 20, 1990
- Zenith Electronics Corporation
- Robert Adler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ultra precise tool forming apparatus
- Patent number 4,493,166
- Issue date Jan 15, 1985
- Zenith Electronics Corporation
- Howard G. Lange
- B24 - GRINDING POLISHING
Information Patent Grant
Rear projection screen
- Patent number 4,387,959
- Issue date Jun 14, 1983
- Zenith Radio Corporation
- Howard G. Lange
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection screen with decreased color shift as a function of...
- Patent number 4,374,609
- Issue date Feb 22, 1983
- Zenith Radio Corporation
- Howard G. Lange
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for making a color selection mask for a color cathode ray...
- Patent number 4,077,717
- Issue date Mar 7, 1978
- Zenith Radio Corporation
- Howard G. Lange
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for manufacturing a color cathode ray tube and for making sc...
- Patent number 3,973,964
- Issue date Aug 10, 1976
- Zenith Radio Corporation
- Howard G. Lange
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making a color selection mask for a color cathode ray tube
- Patent number 3,955,980
- Issue date May 11, 1976
- Zenith Radio Corporation
- Howard G. Lange
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Howard G. Lange

Person

Patents Grantslast 30 patents

Optical aperture device for manufacturing color cathode ray tubes

System of printing standardized cathode ray tube screens

Method and apparatus for making flat tension mask color cathode ray...

Method and apparatus for making flat tension mask color cathode ray...

Method and apparatus for making flat tension mask color cathode ray...

Methods and apparatus for making flat tension mask color cathode ra...

Ultra precise tool forming apparatus

Rear projection screen

Image projection screen with decreased color shift as a function of...

Apparatus for making a color selection mask for a color cathode ray...

Method for manufacturing a color cathode ray tube and for making sc...

Method for making a color selection mask for a color cathode ray tube