Eden Prairie, MN, United States of America

Lifetouch National School Studies Inc.

Calculating rank

USPTO Granted Patents = 1

Forward Citations = 60

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3 inventors (with patents filed for the assignee):

Jon A Holmes (1 out of 14 patents)

Trygve David Peterson (1 out of 8 patents)

Ricky J Madsen (1 out of 3 patents)

1 patent: Sort by Forward Citations

1. 6081670 - Depth-of-field indicator for a camera (2000-06-27),

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USPTO Data Jan 1 1976 - Oct 27 2026

1 Patents

#212 in Eden Prairie, MN

#3,567 in Minnesota

#136,971 in US

Eden Prairie, MN, United States of America

Lifetouch National School Studies Inc.

Forward Citations = 60

3 inventors:

Jon A Holmes (1 out of 14 patents)

Trygve David Peterson (1 out of 8 patents)

Ricky J Madsen (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lifetouch National School Studies Inc.. Retrieved from https://idiyas.com/company/lifetouch-national-school-studies

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]