Jacob Harel

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San Mateo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Data entry device utilizing writing implement rotation
- Patent number 9,285,899
- Issue date Mar 15, 2016
- PNF CO., LTD.
- Jacob Harel
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Data Entry Device Utilizing Writing Implement Rotation
- Publication number 20100206645
- Publication date Aug 19, 2010
- Jacob Harel
- G06 - COMPUTING CALCULATING COUNTING