Donald Walter Bartch

Person

York, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
CRT having a contrast enhancing exterior coating and method of manu...
- Patent number 7,166,957
- Issue date Jan 23, 2007
- Thomson Licensing
- Donald Walter Bartch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Neck cleaning method for a CRT
- Patent number 6,939,190
- Issue date Sep 6, 2005
- Thomson Licensing
- John Stephen Farrah
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resistive primer coating for a display apparatus
- Patent number 6,800,994
- Issue date Oct 5, 2004
- THOMSON Licensing S.A.
- Donald Walter Bartch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resistive coating for a tensioned focus mask CRT
- Patent number 6,720,719
- Issue date Apr 13, 2004
- Thomson Licensing S.A.
- Donald Walter Bartch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for maintaining spacing between tension focus...
- Patent number 6,717,345
- Issue date Apr 6, 2004
- Thomson Licensing S.A.
- Richard LaPeruta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Neck cleaning method for a CRT
- Patent number 6,669,525
- Issue date Dec 30, 2003
- Thomson Licensing S.A.
- John Stephen Farrah
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having a focus mask and support frame assembly wit...
- Patent number 6,639,344
- Issue date Oct 28, 2003
- Thomson Licensing S.A.
- Alan Weir Bucher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bake-hardenable solution for forming a conductive coating
- Patent number 5,723,071
- Issue date Mar 3, 1998
- Thomson Consumer Electronics, Inc.
- Donald Walter Bartch
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing a crt using a flowcoating process
- Publication number 20070149085
- Publication date Jun 28, 2007
- Donald Walter Bartch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Neck cleaning method for a CRT
- Publication number 20040072496
- Publication date Apr 15, 2004
- John Stephen Farrah
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Resistive primer coating for a display apparatus
- Publication number 20040061426
- Publication date Apr 1, 2004
- Donald Walter Bartch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CRT having a contrast enhancing exterior coating and method of manu...
- Publication number 20040032200
- Publication date Feb 19, 2004
- Donald Walter Bartch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Insulator system for a CRT focus mask
- Publication number 20040000855
- Publication date Jan 1, 2004
- Samuel Paul Benigni
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube having a focus mask and support frame assembly wit...
- Publication number 20030111949
- Publication date Jun 19, 2003
- Alan Weir Bucher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Neck cleaning method for a CRT
- Publication number 20030100241
- Publication date May 29, 2003
- John Stephen Farrah
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Resistive coating for a tensioned focus mask
- Publication number 20020125808
- Publication date Sep 12, 2002
- Donald Walter Bartch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method and apparatus for maintaining spacing between tension focus...
- Publication number 20020079808
- Publication date Jun 27, 2002
- Richard LaPeruta
- H01 - BASIC ELECTRIC ELEMENTS

Donald Walter Bartch

Person

Patents Grantslast 30 patents

CRT having a contrast enhancing exterior coating and method of manu...

Neck cleaning method for a CRT

Resistive primer coating for a display apparatus

Resistive coating for a tensioned focus mask CRT

Method and apparatus for maintaining spacing between tension focus...

Neck cleaning method for a CRT

Cathode ray tube having a focus mask and support frame assembly wit...

Bake-hardenable solution for forming a conductive coating

Patents Applicationslast 30 patents

Method of manufacturing a crt using a flowcoating process

Neck cleaning method for a CRT

Resistive primer coating for a display apparatus

CRT having a contrast enhancing exterior coating and method of manu...

Insulator system for a CRT focus mask

Cathode ray tube having a focus mask and support frame assembly wit...

Neck cleaning method for a CRT

Resistive coating for a tensioned focus mask

Method and apparatus for maintaining spacing between tension focus...