John Novotny

Follow

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

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
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
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