David F. A. PIESSE

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
System and method for field-verifiable record authentication
- Patent number 9,268,969
- Issue date Feb 23, 2016
- GUARDTIME IP HOLDINGS LIMITED
- Michael Gault
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR FIELD-VERIFIABLE RECORD AUTHENTICATION
- Publication number 20150052615
- Publication date Feb 19, 2015
- GUARDTIME IP HOLDINGS LIMITED
- Michael GAULT
- G06 - COMPUTING CALCULATING COUNTING