% Expired Patents = 100.0

Forward Citations = 2

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2 inventors (with patents filed for the assignee):

John Lynn Shanton, Iii (1 out of 8 patents)

Yongzhang Leng (1 out of 6 patents)

1 patent: Sort by Forward Citations

1. 6614956 - Bidirectional WDM optical communication system with bidirectional optical service channels (2003-09-02),

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USPTO Data Jan 1 1976 - Oct 13 2026

1 Patents

#244 in Rockville, MD

#2,062 in Maryland

#136,844 in US

Rockville, MD, United States of America

Lightrail Networks, Inc.

Forward Citations = 2

2 inventors:

John Lynn Shanton, Iii (1 out of 8 patents)

Yongzhang Leng (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lightrail Networks, Inc.. Retrieved from https://idiyas.com/company/lightrail-networks

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]