Leonard Dietch

Person

Skokie, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Front assembly for an ultra-high resolution color cathode ray tube...
- Patent number 4,745,329
- Issue date May 17, 1988
- Zenith Electronics Corporation
- Leonard Dietch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Support means for a tensioned foil shadow mask
- Patent number 4,737,681
- Issue date Apr 12, 1988
- Zenith Electronics Corporation
- Leonard Dietch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shadow mask having aperture occlusion prevention means
- Patent number 4,705,357
- Issue date Nov 10, 1987
- Zenith Electronics Corporation
- Leonard Dietch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for shadow mask protection during manufacture
- Patent number 4,680,196
- Issue date Jul 14, 1987
- Zenith Electronics Corporation
- Leonard Dietch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tension mask colar cathode ray tube
- Patent number 4,593,225
- Issue date Jun 3, 1986
- Zenith Electronics Corporation
- Leonard Dietch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cable isolator with overvoltage protection
- Patent number 4,575,691
- Issue date Mar 11, 1986
- Zenith Electronics Corporation
- Raymond G. Capek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High potential static discharge means for television cathode ray tubes
- Patent number 4,217,521
- Issue date Aug 12, 1980
- Zenith Radio Corporation
- Leonard Dietch
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Black-surround color picture tube
- Patent number 3,988,632
- Issue date Oct 26, 1976
- Zenith Radio Corporation
- Leonard Dietch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube having phosphor screen interposed between composit...
- Patent number 3,952,225
- Issue date Apr 20, 1976
- Zenith Radio Corporation
- Leonard Dietch
- H01 - BASIC ELECTRIC ELEMENTS

Leonard Dietch

Person

Patents Grantslast 30 patents

Front assembly for an ultra-high resolution color cathode ray tube...

Support means for a tensioned foil shadow mask

Shadow mask having aperture occlusion prevention means

Method for shadow mask protection during manufacture

Tension mask colar cathode ray tube

Cable isolator with overvoltage protection

High potential static discharge means for television cathode ray tubes

Black-surround color picture tube

Cathode-ray tube having phosphor screen interposed between composit...