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Ft. Lauderdale, FL, United States of America

Roger Chang

USPTO Granted Patents = 4

Average Co-Inventor Count = 4.8

ph-index = 4

Forward Citations = 148(Granted Patents)

Location History:

Ft. Lauderdale, FL (US) (1988 - 1990)
Fort Lauderdale, FL (US) (1990)

Company Filing History:

Inex/vistech Technologies, Inc.

Vistech Corporation

Years Active: 1988-1990

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4915237 - Comprehensive container inspection system (1990-04-10),

2. 4914289 - Article inspection system for analyzing end and adjacent sides (1990-04-03),

3. 4750035 - Video container inspection with collimated viewing of plural containers (1988-06-07),

4. 4731649 - Oblique illumination for video rim inspection (1988-03-15),

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