Patricia KOH

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SINGAPORE, SG

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Patents Grantslast 30 patents

Information Patent Grant
Spectacle frame with cut rims and attachable bridge, kit of parts a...
- Patent number 11,249,324
- Issue date Feb 15, 2022
- Essilor International
- Ludovic Jouard
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SPECTACLE FRAME WITH CUT RIMS AND ATTACHABLE BRIDGE, KIT OF PARTS A...
- Publication number 20200089022
- Publication date Mar 19, 2020
- Essilor International
- Ludovic JOUARD
- G02 - OPTICS
Information Patent Application
SUBJECTIVE REFRACTION APPARATUS
- Publication number 20190246894
- Publication date Aug 15, 2019
- Essilor International
- Patricia KOH
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE