James T. Cha

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Fairfax, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Power beaming system with printer circuit radiating elements having...
- Patent number 5,218,374
- Issue date Jun 8, 1993
- Apti, Inc.
- Peter Koert
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power beaming system
- Patent number 5,068,669
- Issue date Nov 26, 1991
- Apti, Inc.
- Peter Koert
- H01 - BASIC ELECTRIC ELEMENTS