Derek Peter Zwambag

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Guelph, CA

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Patents Grantslast 30 patents

Information Patent Grant
Textured retro-reflective marker
- Patent number 12,313,867
- Issue date May 27, 2025
- Northern Digital Inc.
- Larry Chen
- G01 - MEASURING TESTING
Information Patent Grant
Retro-reflective marker with uniformly distributed microelements
- Patent number 12,271,009
- Issue date Apr 8, 2025
- Northern Digital Inc.
- Shaulaine White
- G02 - OPTICS
Information Patent Grant
Textured retro-reflective marker
- Patent number 12,078,825
- Issue date Sep 3, 2024
- Northern Digital Inc.
- Larry Chen
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
RETRO-REFLECTIVE MARKER WITH UNIFORMLY DISTRIBUTED MICROELEMENTS
- Publication number 20250012953
- Publication date Jan 9, 2025
- Northern Digital Inc.
- Shaulaine White
- G02 - OPTICS
Information Patent Application
TEXTURED RETRO-REFLECTIVE MARKER
- Publication number 20240411065
- Publication date Dec 12, 2024
- Northern Digital Inc.
- Larry Chen
- G02 - OPTICS