Allan Tseng

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Chelmsford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Non-destructive gas concentration analyzer
- Patent number 10,732,101
- Issue date Aug 4, 2020
- Quan Shi
- G01 - MEASURING TESTING
Information Patent Grant
System and method for testing the chemical content of plastic conta...
- Patent number 10,090,145
- Issue date Oct 2, 2018
- Enos Engineering, LLC
- Quan Shi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
NON-DESTRUCTIVE GAS CONCENTRATION ANALYZER
- Publication number 20200225149
- Publication date Jul 16, 2020
- Enos Analytical, LLC
- Quan Shi
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR TESTING THE CHEMICAL CONTENT OF PLASTIC CONTA...
- Publication number 20180012749
- Publication date Jan 11, 2018
- Enos Engineering, LLC
- Quan Shi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Active visor system for eliminating glare in field-of-vision from m...
- Publication number 20060140502
- Publication date Jun 29, 2006
- Allan S. Tseng
- B60 - VEHICLES IN GENERAL
Information Patent Application
User tracking application
- Publication number 20020070881
- Publication date Jun 13, 2002
- Louis G. Marcarelli
- G01 - MEASURING TESTING