Company Badge
USPTO Data Jan 1 1976 - Dec 16 2025
1 Patents
#237 in Santa Ana, CA
#28,418 in California
#133,781 in US
Princeton Graphic Systems, Inc.
Forward Citations = 1
7 inventors:
Santa Ana, CA, United States of America
Princeton Graphic Systems, Inc.
Forward Citations = 1
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7 inventors (with patents filed for the assignee):
Darwin Chang (1 out of 6 patents)
Charlie Pai (1 out of 1 patent)
Ray Ho (1 out of 1 patent)
4. Sonja Schiefer (1 out of 1 patent)
5. Frank Kao (1 out of 1 patent)
6. Paul Wang (1 out of 2 patents)
7. Daniel Harden (1 out of 1 patent)
1 patent:
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