Membership
Tour
Register
Log in
Sheng YANG
Follow
Person
Wattwil, CH
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for controlling opening of an auto-darkening f...
Patent number
10,251,786
Issue date
Apr 9, 2019
Optrel Holding AG
Sheng Yang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR CONTROLLING OPENING OF AN AUTO-DARKENING F...
Publication number
20150135389
Publication date
May 21, 2015
OPTREL AG
Sheng YANG
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE