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Patents Grantslast 30 patents

Information Patent Grant
Protective cover, key assembly using the same and portable electron...
- Patent number 8,373,975
- Issue date Feb 12, 2013
- Shenzhen Futaihong Precision Industry Co., Ltd.
- Shi-Xu Liang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic keyboard
- Patent number 4,467,150
- Issue date Aug 21, 1984
- Digital Equipment Corporation
- Richard Leitermann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3773998
- Patent number 3,773,998
- Issue date Nov 20, 1973
- H01 - BASIC ELECTRIC ELEMENTS