Quest Communications Int'l., Inc.

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 141

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3 inventors (with patents filed for the assignee):

Theresa A Clark (1 out of 3 patents)

Okechukwu U Ikeako (1 out of 1 patent)

Douglas André Devillier (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6370241 - Telephony system for calling card calls (2002-04-09),

2. 6366661 - Online call routing apparatus and method (2002-04-02),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#400 in Denver, CO

#2,363 in Colorado

#94,953 in US

Denver, CO, United States of America

Quest Communications Int'l., Inc.

Forward Citations = 141

3 inventors:

Theresa A Clark (1 out of 3 patents)

Okechukwu U Ikeako (1 out of 1 patent)

Douglas André Devillier (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Quest Communications Int'l., Inc.. Retrieved from https://idiyas.com/company/quest-communications-int-l

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]