David HASENFRATZ

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Stafa, CH

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Patents Grantslast 30 patents

Information Patent Grant
Pressure-based parking detection system
- Patent number 10,013,817
- Issue date Jul 3, 2018
- Sensirion AG
- David Hasenfratz
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE-BASED PARKING DETECTION SYSTEM
- Publication number 20170103586
- Publication date Apr 13, 2017
- SENSIRION AG
- David HASENFRATZ
- G01 - MEASURING TESTING
Information Patent Application
SENSING DEVICE
- Publication number 20170038880
- Publication date Feb 9, 2017
- SENSIRION AG
- Michel KINZER
- G06 - COMPUTING CALCULATING COUNTING