Siegfried Aftergut

Person

New Haven, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Current limiting device and materials for a current limiting device
- Patent number 6,366,193
- Issue date Apr 2, 2002
- General Electric Company
- Anil Raj Duggal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current limiting device and materials for a current limiting device
- Patent number 6,290,879
- Issue date Sep 18, 2001
- General Electric Company
- Anil Raj Duggal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current limiting device having a web structure
- Patent number 6,133,820
- Issue date Oct 17, 2000
- General Electric Company
- Anil Raj Duggal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current limiting device and materials for a current limiting device
- Patent number 6,124,780
- Issue date Sep 26, 2000
- General Electric Company
- Anil Raj Duggal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hermetically sealed radiation imager
- Patent number 5,707,880
- Issue date Jan 13, 1998
- General Electric Company
- Siegfried Aftergut
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hermetically sealed radiation imager
- Patent number 5,641,984
- Issue date Jun 24, 1997
- General Electric Company
- Siegfried Aftergut
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid state imager with opaque layer
- Patent number 5,517,031
- Issue date May 14, 1996
- General Electric Company
- Ching-Yeu Wei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for photolithographically forming a selfaligned mask using b...
- Patent number 5,130,263
- Issue date Jul 14, 1992
- General Electric Company
- George E. Possin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Insolubilization of soluble pre-imidized polyimides by polyhydrazin...
- Patent number 5,091,466
- Issue date Feb 25, 1992
- General Electric Company
- Siegfried Aftergut
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Multi-color liquid crystal display and system
- Patent number 4,581,608
- Issue date Apr 8, 1986
- General Electric Company
- Siegfried Aftergut
- G02 - OPTICS
Information Patent Grant
Dichroic liquid crystal compositions made with asymmetric tris-azo...
- Patent number 4,411,812
- Issue date Oct 25, 1983
- General Electric Company
- Siegfried Aftergut
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Red perylene dichroic dye containing liquid crystal formulations
- Patent number 4,378,302
- Issue date Mar 29, 1983
- General Electric Company
- Siegfried Aftergut
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid crystal compositions with novel tris-azo dichroic dyes
- Patent number 4,359,398
- Issue date Nov 16, 1982
- General Electric Company
- Herbert S. Cole
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Novel tris-azo dyes and liquid crystal compositions made therewith
- Patent number 4,350,603
- Issue date Sep 21, 1982
- General Electric Company
- Siegfried Aftergut
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Permeation barrier for display cells
- Patent number 4,315,668
- Issue date Feb 16, 1982
- General Electric Company
- Siegfried Aftergut
- G02 - OPTICS
Information Patent Grant
Novel yellow azo dyes and dichroic liquid crystal compositions made...
- Patent number 4,308,161
- Issue date Dec 29, 1981
- General Electric Company
- Siegfried Aftergut
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Novel yellow azo dyes and dichroic liquid crystal compositions made...
- Patent number 4,308,162
- Issue date Dec 29, 1981
- General Electric Company
- Herbert S. Cole
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Novel yellow azo dyes and dichroic liquid crystal composition made...
- Patent number 4,308,163
- Issue date Dec 29, 1981
- General Electric Company
- Siegfried Aftergut
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Novel yellow azo dyes and dichroic liquid crystal composition made...
- Patent number 4,308,164
- Issue date Dec 29, 1981
- General Electric Company
- Siegfried Aftergut
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dichroic dyes having a plurality of azo bonding groups
- Patent number 4,179,395
- Issue date Dec 18, 1979
- General Electric Company
- Herbert S. Cole
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for improving the response time of a display device utilizin...
- Patent number 4,143,947
- Issue date Mar 13, 1979
- General Electric Company
- Siegfried Aftergut
- G02 - OPTICS
Information Patent Grant
Dichroic liquid crystal compositions
- Patent number 4,128,497
- Issue date Dec 5, 1978
- General Electric Company
- Herbert S. Cole
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dichroic liquid crystal compositions
- Patent number 4,128,496
- Issue date Dec 5, 1978
- General Electric Company
- Herbert S. Cole
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dichroic liquid crystal composition with 4,4-bis (substituted napht...
- Patent number 4,122,027
- Issue date Oct 24, 1978
- General Electric Company
- Herbert S. Cole
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dichroic liquid crystal compositions
- Patent number 4,116,861
- Issue date Sep 26, 1978
- General Electric Company
- Siegfried Aftergut
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid crystal compositions with positive dielectric anisotropy
- Patent number 3,983,049
- Issue date Sep 28, 1976
- General Electric Company
- Siegfried Aftergut
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Current limiting device and materials for a current limiting device
- Publication number 20020011591
- Publication date Jan 31, 2002
- Anil Raj Duggal
- H01 - BASIC ELECTRIC ELEMENTS

Siegfried Aftergut

Person

Patents Grantslast 30 patents

Current limiting device and materials for a current limiting device

Current limiting device and materials for a current limiting device

Current limiting device having a web structure

Current limiting device and materials for a current limiting device

Hermetically sealed radiation imager

Hermetically sealed radiation imager

Solid state imager with opaque layer

Method for photolithographically forming a selfaligned mask using b...

Insolubilization of soluble pre-imidized polyimides by polyhydrazin...

Multi-color liquid crystal display and system

Dichroic liquid crystal compositions made with asymmetric tris-azo...

Red perylene dichroic dye containing liquid crystal formulations

Liquid crystal compositions with novel tris-azo dichroic dyes

Novel tris-azo dyes and liquid crystal compositions made therewith

Permeation barrier for display cells

Novel yellow azo dyes and dichroic liquid crystal compositions made...

Novel yellow azo dyes and dichroic liquid crystal compositions made...

Novel yellow azo dyes and dichroic liquid crystal composition made...

Novel yellow azo dyes and dichroic liquid crystal composition made...

Dichroic dyes having a plurality of azo bonding groups

Method for improving the response time of a display device utilizin...

Dichroic liquid crystal compositions

Dichroic liquid crystal compositions

Dichroic liquid crystal composition with 4,4-bis (substituted napht...

Dichroic liquid crystal compositions

Liquid crystal compositions with positive dielectric anisotropy

Patents Applicationslast 30 patents

Current limiting device and materials for a current limiting device