Walter Chapelle

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Southfield, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Balanced drive electronic matrix system and method of operating the...
- Patent number 4,731,610
- Issue date Mar 15, 1988
- Ovonic Imaging Systems, Inc.
- Yair Baron
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display having potential source in a diode ring
- Patent number 4,715,685
- Issue date Dec 29, 1987
- Energy Conversion Devices, Inc.
- Zvi Yaniv
- G11 - INFORMATION STORAGE
Information Patent Grant
Active display matrix addressable without crossed lines on any one...
- Patent number 4,678,282
- Issue date Jul 7, 1987
- Ovonic Imaging Systems, Inc.
- Zvi Yaniv
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Digital integrated electronic storage system for video and audio pl...
- Patent number 4,679,085
- Issue date Jul 7, 1987
- Energy Conversion Devices, Inc.
- Robert R. Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Step and repeat exposure apparatus and method
- Patent number 4,669,868
- Issue date Jun 2, 1987
- Ovonic Imaging Systems, Inc.
- Walter Chapelle
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY