Christoph Kocher

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Landquart, CH

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Patents Grantslast 30 patents

Information Patent Grant
Multi-layer printing substrate with hidden information
- Patent number 12,252,846
- Issue date Mar 18, 2025
- Landqart AG
- Christoph Kocher
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
MULTI-LAYER PRINTING SUBSTRATE WITH HIDDEN INFORMATION
- Publication number 20230151551
- Publication date May 18, 2023
- Landqart AG
- Christoph KOCHER
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
VALVE DOCUMENT HAVING AN AT LEAST PARTIALLY EMBEDDED SECURITY ELEMENT
- Publication number 20130234426
- Publication date Sep 12, 2013
- Matthias Müller
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER