Charles M. Wetzel

Person

Lititz, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method utilizing a magnetic assembly during etching thin shadow masks
- Patent number 6,562,249
- Issue date May 13, 2003
- BMC Industries, Inc.
- Craig Clay Eshleman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display apparatus having enhanced resolution shadow mask and method...
- Patent number 5,730,887
- Issue date Mar 24, 1998
- Thomson Consumer Electronics, Inc.
- Theodore Frederick Simpson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
CRT developing apparatus
- Patent number 5,477,285
- Issue date Dec 19, 1995
- Thomson Consumer Electronics, Inc.
- George H. N. Riddle
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing a luminescent screen for a CRT under ambien...
- Patent number 5,474,867
- Issue date Dec 12, 1995
- Thomson Consumer Electronics, Inc.
- Peter M. Ritt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive contact patch for a CRT faceplate panel
- Patent number 5,156,770
- Issue date Oct 20, 1992
- Thomson Consumer Electronics, Inc.
- Charles M. Wetzel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of electrophotographically manufacturing a luminescent scree...
- Patent number 5,151,337
- Issue date Sep 29, 1992
- RCA Thomson Licensing Corp.
- Charles M. Wetzel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of inspecting a master member
- Patent number 4,765,743
- Issue date Aug 23, 1988
- RCA Licensing Corporation
- Frank S. Krufka
- G01 - MEASURING TESTING
Information Patent Grant
Photographic printing plate and method of exposing a coated sheet u...
- Patent number 4,669,871
- Issue date Jun 2, 1987
- RCA Corporation
- Charles M. Wetzel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for etching a flat apertured mask for use in a cathode-ray tube
- Patent number 4,664,996
- Issue date May 12, 1987
- RCA Corporation
- John J. Moscony
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic printing plate for use in a vacuum printing frame
- Patent number 4,656,107
- Issue date Apr 7, 1987
- RCA Corporation
- John J. Moscony
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoexposing a photoresist-coated sheet in a vacuum printing frame
- Patent number 4,588,676
- Issue date May 13, 1986
- RCA Corporation
- John J. Moscony
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Method utilizing a magnetic assembly during etching thin shadow masks
- Publication number 20020070196
- Publication date Jun 13, 2002
- BMC Industries, Inc. and Thomson Consumer Electronics, Inc.
- Craig Clay Eshleman
- H01 - BASIC ELECTRIC ELEMENTS

Charles M. Wetzel

Person

Patents Grantslast 30 patents

Method utilizing a magnetic assembly during etching thin shadow masks

Display apparatus having enhanced resolution shadow mask and method...

CRT developing apparatus

Method of manufacturing a luminescent screen for a CRT under ambien...

Conductive contact patch for a CRT faceplate panel

Method of electrophotographically manufacturing a luminescent scree...

Method of inspecting a master member

Photographic printing plate and method of exposing a coated sheet u...

Method for etching a flat apertured mask for use in a cathode-ray tube

Photographic printing plate for use in a vacuum printing frame

Photoexposing a photoresist-coated sheet in a vacuum printing frame

Patents Applicationslast 30 patents

Method utilizing a magnetic assembly during etching thin shadow masks