Lawrence W. Dougherty

Person

Sleepy Hollow, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Flat front panel CRT bulb pre-stressed prior to final evacuation an...
- Patent number 5,188,553
- Issue date Feb 23, 1993
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Conformable anvil for supporting in-process face panels of tension...
- Patent number 5,152,707
- Issue date Oct 6, 1992
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Processing and protecting a foil shadow mask for a tension mask col...
- Patent number 5,139,451
- Issue date Aug 18, 1992
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mask support structure for tension mask color cathode ray tubes
- Patent number 5,049,778
- Issue date Sep 17, 1991
- Zenith Electronics Corporation
- Raymond G. Capek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mask support structure for tension mask color cathode ray tubes
- Patent number 5,047,684
- Issue date Sep 10, 1991
- Zenith Electronics Corporation
- Raymond G. Capek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mechanical means and process for severing a tensed foil shadow mask
- Patent number 5,045,009
- Issue date Sep 3, 1991
- Zenith Electronics Corporation
- Lowell A. Cordingley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tension mask color cathode ray tube with improved color selection e...
- Patent number 5,023,507
- Issue date Jun 11, 1991
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Brazing method for mounting a tension shadow mask
- Patent number 5,017,170
- Issue date May 21, 1991
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Flat tension mask cathode ray tube implosion system
- Patent number 4,930,015
- Issue date May 29, 1990
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rail grinding method and apparatus
- Patent number 4,908,995
- Issue date Mar 20, 1990
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- B24 - GRINDING POLISHING
Information Patent Grant
Front assembly for a tension mask color cathode ray tube having a l...
- Patent number 4,891,546
- Issue date Jan 2, 1990
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Front assembly for a tension mask color cathode ray tube having a p...
- Patent number 4,891,544
- Issue date Jan 2, 1990
- Zenith Electronics Corporation
- Raymond G. Capek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Factory fixture frame with means for temporarily and removably supp...
- Patent number 4,840,596
- Issue date Jun 20, 1989
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for mounting a tension mask color cathode ray tube
- Patent number 4,824,412
- Issue date Apr 25, 1989
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Registration transfer process for use in the manufacture of a tensi...
- Patent number 4,776,822
- Issue date Oct 11, 1988
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical conduction means for use in tension mask color cathode r...
- Patent number 4,739,215
- Issue date Apr 19, 1988
- Zenith Electronics Corporation
- Alfred Adamski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for tensing a shadow mask foil
- Patent number 4,721,488
- Issue date Jan 26, 1988
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Internal electrical connector for a tension mask tube
- Patent number 4,710,669
- Issue date Dec 1, 1987
- Zenith Electronics Corporation
- Alfred Adamski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Front assembly system for a tension mask color cathode ray tube
- Patent number 4,710,670
- Issue date Dec 1, 1987
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color CRT front assembly with tension mask support
- Patent number 4,686,416
- Issue date Aug 11, 1987
- Zenith Electronics Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shadow mask inserter apparatus and method
- Patent number 4,356,606
- Issue date Nov 2, 1982
- Zenith Radio Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shadow mask suspension means for color cathode ray picture tubes
- Patent number 4,355,260
- Issue date Oct 19, 1982
- Zenith Radio Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shadow mask suspension system
- Patent number 4,317,064
- Issue date Feb 23, 1982
- Zenith Radio Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Four-corner shadow mask suspension system for television cathode ra...
- Patent number 4,300,071
- Issue date Nov 10, 1981
- Zenith Radio Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color CRT with shadow mask having peripherally grooved skirt
- Patent number 4,191,909
- Issue date Mar 4, 1980
- Zenith Radio Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Implosion protected color cathode ray tube bulb and bulb components
- Patent number 4,168,010
- Issue date Sep 18, 1979
- Zenith Radio Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shadow mask supported by cathode ray tube faceplate
- Patent number 4,045,701
- Issue date Aug 30, 1977
- Zenith Radio Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shadow mask mount and funnel-faceplate referencing system for color...
- Patent number 4,028,580
- Issue date Jun 7, 1977
- Zenith Radio Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for attaching a shadow or photographic mask to a flangeless,...
- Patent number 4,019,231
- Issue date Apr 26, 1977
- Zenith Radio Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having an improved shadow mask suspension sy...
- Patent number 3,999,098
- Issue date Dec 21, 1976
- Zenith Radio Corporation
- Lawrence W. Dougherty
- H01 - BASIC ELECTRIC ELEMENTS

Lawrence W. Dougherty

Person

Patents Grantslast 30 patents

Flat front panel CRT bulb pre-stressed prior to final evacuation an...

Conformable anvil for supporting in-process face panels of tension...

Processing and protecting a foil shadow mask for a tension mask col...

Mask support structure for tension mask color cathode ray tubes

Mask support structure for tension mask color cathode ray tubes

Mechanical means and process for severing a tensed foil shadow mask

Tension mask color cathode ray tube with improved color selection e...

Brazing method for mounting a tension shadow mask

Flat tension mask cathode ray tube implosion system

Rail grinding method and apparatus

Front assembly for a tension mask color cathode ray tube having a l...

Front assembly for a tension mask color cathode ray tube having a p...

Factory fixture frame with means for temporarily and removably supp...

Method for mounting a tension mask color cathode ray tube

Registration transfer process for use in the manufacture of a tensi...

Electrical conduction means for use in tension mask color cathode r...

Apparatus for tensing a shadow mask foil

Internal electrical connector for a tension mask tube

Front assembly system for a tension mask color cathode ray tube

Color CRT front assembly with tension mask support

Shadow mask inserter apparatus and method

Shadow mask suspension means for color cathode ray picture tubes

Shadow mask suspension system

Four-corner shadow mask suspension system for television cathode ra...

Color CRT with shadow mask having peripherally grooved skirt

Implosion protected color cathode ray tube bulb and bulb components

Shadow mask supported by cathode ray tube faceplate

Shadow mask mount and funnel-faceplate referencing system for color...

Method for attaching a shadow or photographic mask to a flangeless,...

Color cathode ray tube having an improved shadow mask suspension sy...