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For the Inventor, By the Inventor

Irvine, CA, United States of America

Doug Norman, Interchange Corp.


USPTO Granted Patents = 1

Forward Citations = 151

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1 inventor (with patents filed for the assignee):

goldMedal Xiongwu Xia (1 out of 13 patents)


1 patent:

1. 7231405 - Method and apparatus of indexing web pages of a web site for geographical searchine based on user location (2007-06-12),
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USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#904 in Irvine, CA

#28,429 in California

#133,811 in US

...
Irvine, CA, United States of America

Doug Norman, Interchange Corp.

Forward Citations = 151

1 inventor:

goldMedal Xiongwu Xia (1 out of 13 patents)

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