Wan-Chang Cheng

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Patents Grantslast 30 patents

Information Patent Grant
Disassemblable information handling system game controller
- Patent number 11,260,288
- Issue date Mar 1, 2022
- Dell Products L.P.
- Philip M. Seibert
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Automatic intravenous fluid flow control device
- Patent number 8,480,635
- Issue date Jul 9, 2013
- Hsien-Tsung Wang

Information Patent Application
DISASSEMBLE-ABLE INFORMATION HANDLING SYSTEM GAME CONTROLLER
- Publication number 20210197079
- Publication date Jul 1, 2021
- Dell Products L.P.
- Philip M. Seibert
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SAFETY SYRINGE
- Publication number 20160317755
- Publication date Nov 3, 2016
- Hsien-Tsung WANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Automatic intravenous fluid flow control device
- Publication number 20110218501
- Publication date Sep 8, 2011
- Hsien-Tsung Wang
Information Patent Application
SAFETY SYRINGE WITH DISPOSABLE COMPONENTS AFTER USE
- Publication number 20080097338
- Publication date Apr 24, 2008
- Wan Chang Cheng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE