Virgil W. Westdale

Person

Barrington, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating a lithographic master
- Patent number 4,612,269
- Issue date Sep 16, 1986
- AM International
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pressure fixing a single component toner with polyamide-rosin
- Patent number 4,612,272
- Issue date Sep 16, 1986
- AM International, Inc.
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pressure fixing a single component toner with polyamide-rosin
- Patent number 4,612,273
- Issue date Sep 16, 1986
- AM International, Inc.
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic toner developing device
- Patent number 4,514,077
- Issue date Apr 30, 1985
- AM International, Inc.
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat fusible single component toner having a polyamide binder
- Patent number 4,430,407
- Issue date Feb 7, 1984
- AM International, Inc.
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of making a single component toner
- Patent number 4,430,413
- Issue date Feb 7, 1984
- AM International, Inc.
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of preparing a lithographic printing master
- Patent number 4,430,403
- Issue date Feb 7, 1984
- AM International, Inc.
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic toner retainer means
- Patent number 4,419,959
- Issue date Dec 13, 1983
- AM International, Inc.
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polyethylene pressure fixable electroscopic printing powder and pre...
- Patent number 4,355,088
- Issue date Oct 19, 1982
- AM International, Inc.
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic developer mix containing either MoS.sub.2, TiS.sub.2,...
- Patent number 4,248,950
- Issue date Feb 3, 1981
- AM International, Inc.
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coated carrier particles for use in electrophotographic process
- Patent number 4,248,954
- Issue date Feb 3, 1981
- AM International, Inc.
- Pabitra Datta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for making reproductions of a graphic original from a high o...
- Patent number 4,167,411
- Issue date Sep 11, 1979
- AM International, Inc.
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Treated carrier particles used in electrophotographic process
- Patent number 4,093,459
- Issue date Jun 6, 1978
- Addressograph-Multigraph Corporation
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Chemically treated carrier particles for use in electrophotography
- Patent number 4,073,980
- Issue date Feb 14, 1978
- Addressograph-Multigraph Corporation
- Virgil W. Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coated carrier particles for use in electrophotographic process
- Patent number 4,068,017
- Issue date Jan 10, 1978
- Addressograph-Multigraph Corporation
- Virgil William Westdale
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Virgil W. Westdale

Person

Patents Grantslast 30 patents

Method of fabricating a lithographic master

Pressure fixing a single component toner with polyamide-rosin

Pressure fixing a single component toner with polyamide-rosin

Magnetic toner developing device

Heat fusible single component toner having a polyamide binder

Method of making a single component toner

Method of preparing a lithographic printing master

Magnetic toner retainer means

Polyethylene pressure fixable electroscopic printing powder and pre...

Electrostatic developer mix containing either MoS.sub.2, TiS.sub.2,...

Coated carrier particles for use in electrophotographic process

Method for making reproductions of a graphic original from a high o...

Treated carrier particles used in electrophotographic process

Chemically treated carrier particles for use in electrophotography

Coated carrier particles for use in electrophotographic process