John E. Karlsson

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Brooklyn, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Display screen with transitional graphical user interface
- Patent number D918944
- Issue date May 11, 2021
- 3M Innovative Properties Company
- Pontus Axelsson
- D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR MANAGING DIGITAL NOTES
- Publication number 20230144394
- Publication date May 11, 2023
- 3M Innovative Properties Company
- Pontus Axelsson
- G06 - COMPUTING CALCULATING COUNTING