Sparktech

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Duarte, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Face of a telephone memory stick
- Patent number D592670
- Issue date May 19, 2009
- Sparktech Corporation
- Randy Lee
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Face of a telephone memory stick
- Patent number D591758
- Issue date May 5, 2009
- Sparktech Corporation
- Randy Lee
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Remotely selecting an economical communications transmission medium
- Patent number 7,463,726
- Issue date Dec 9, 2008
- Sparktech Corporation
- Mark C. Jensen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Aeroacoustic gas composition monitor
- Patent number 5,211,052
- Issue date May 18, 1993
- Sparktech
- Parthasarathy Shakkottai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Dual tube sonic level gage
- Patent number 5,062,295
- Issue date Nov 5, 1991
- Sparktech
- Parthasarathy Shakkottai
- G01 - MEASURING TESTING