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For the Inventor, By the Inventor

Norwalk, CA, United States of America

Serene Innvoations. Inc


USPTO Granted Patents = 1

Forward Citations = 6

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1 inventor (with patents filed for the assignee):

goldMedal George F Cheung (1 out of 15 patents)


1 patent:

1. 7272919 - Portable vacuum device (2007-09-25),
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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#6 in Norwalk, CA

#28,454 in California

#133,943 in US

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Norwalk, CA, United States of America

Serene Innvoations. Inc

Forward Citations = 6

1 inventor:

goldMedal George F Cheung (1 out of 15 patents)

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