David Liang

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West Orange, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Multilevel rotating drive carrier and cable retention mechanism
- Patent number 10,477,712
- Issue date Nov 12, 2019
- ZT GROUP INT'L, INC.
- David Liang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
PRINTED CIRCUIT BOARD THUMBSCREW LOCKING REINFORCEMENT STRUCTURE
- Publication number 20230254974
- Publication date Aug 10, 2023
- ZT Group Int’l, Inc. dba ZT Systems
- David Liang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR