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For the Inventor, By the Inventor

Burnsville, MN, United States of America

Grandnano, LLC


USPTO Granted Patents = 3

% Expired Patents = 100.0

Forward Citations = 5

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4 inventors (with patents filed for the assignee):

goldMedal Charles A Lemaire (3 out of 125 patents)

silverMedal Leif T Stordal (3 out of 16 patents)

bronzeMedal Alexander B Lemaire (3 out of 12 patents)

4.  Dale John Thomforde (3 out of 9 patents)


3 patents:

1. 9815697 - Apparatus for growing carbon nanotube forests, and generating nanotube structures therefrom, and method (2017-11-14),
2. 8845941 - Apparatus for growing carbon nanotube forests, and generating nanotube structures therefrom, and method (2014-09-30),
3. 8551376 - Method for growing carbon nanotube forests, and generating nanotube structures therefrom, and apparatus (2013-10-08),
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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#31 in Burnsville, MN

#1,979 in Minnesota

#73,860 in US

Burnsville, MN (US)
Burnsville, MN, United States of America

Grandnano, LLC

Forward Citations = 5

4 inventors:

goldMedal Charles A Lemaire (3 out of 125 patents)

silverMedal Leif T Stordal (3 out of 16 patents)

bronzeMedal Alexander B Lemaire (3 out of 12 patents)

4.  Dale John Thomforde (3 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Grandnano, LLC. Retrieved from https://idiyas.com/company/grandnano

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]
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