Christopher S. GRINDE

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Baldwin, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Security articles comprising groups of microstructures made by end...
- Patent number 11,806,795
- Issue date Nov 7, 2023
- 3M Innovative Properties Company
- Nelson D. Sewall
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Non-orthogonal cube corner elements and arrays thereof made by end...
- Patent number 11,253,933
- Issue date Feb 22, 2022
- 3M Innovative Properties Company
- Nelson D. Sewall
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SECURITY ARTICLES COMPRISING GROUPS OF MICROSTRUCTURES MADE BY END...
- Publication number 20230201932
- Publication date Jun 29, 2023
- Nelson D. SEWALL
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
NON-ORTHOGONAL CUBE CORNER ELEMENTS AND ARRAYS THEREOF MADE BY END...
- Publication number 20220126381
- Publication date Apr 28, 2022
- 3M Innovative Properties Company
- Nelson D. Sewall
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
NON-ORTHOGONAL CUBE CORNER ELEMENTS AND ARRAYS THEREOF MADE BY END...
- Publication number 20200038969
- Publication date Feb 6, 2020
- 3M Innovative Properties Company
- Nelson D. SEWALL
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR