International Audio Visual, Inc.

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Van Nuys, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Motion picture optical system
- Patent number 4,152,052
- Issue date May 1, 1979
- International Audio Visual, Inc.
- Gerhard Lessman
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Modulated sound reading system
- Patent number 4,085,296
- Issue date Apr 18, 1978
- International Audio Visual, Inc.
- Pat Keegan
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of forming an epitaxial layer on a crystalline substrate
- Patent number 4,032,370
- Issue date Jun 28, 1977
- International Audio Visual, Inc.
- Herbert F. Matare
- C30 - CRYSTAL GROWTH
Information Patent Grant
Cold cathode for infrared image tube
- Patent number 4,000,503
- Issue date Dec 28, 1976
- International Audio Visual, Inc.
- Herbert F. Matare
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

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