Lois J Sonstegard (3 out of 5 patents)
Roger A King (1 out of 7 patents)
George Stodola (0 patent)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
3 Patents
#440 in Minneapolis, MN
#1,983 in Minnesota
#73,929 in US
Ljl, Inc.
Forward Citations = 30
2 inventors:
Minneapolis, MN, United States of America
Ljl, Inc.
Calculating rank
% Expired Patents = 33.3
CIPO Patents = 1
EPO Patents = 2
Trademarks = 2
Forward Citations = 30
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2 inventors (with patents filed for the assignee):
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ljl, Inc.. Retrieved from https://idiyas.com/company/ljl
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]
1 patent (CIPO):
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]
2 patents (EPO):
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]