Johan Hendrikus Helfferich

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Hengelo, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for building bit plane images in bit-mapped displays
- Patent number 5,812,112
- Issue date Sep 22, 1998
- Fluke Corporation
- Johan Hendrikus Helfferich
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS