David L. Spears

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Acton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for detecting and discriminating particles in...
- Patent number 7,920,261
- Issue date Apr 5, 2011
- Massachusetts Institute of Technology
- Thomas H. Jeys
- G01 - MEASURING TESTING
Information Patent Grant
Superlattice structures for use in thermoelectric devices
- Patent number 6,452,206
- Issue date Sep 17, 2002
- Massachusetts Institute of Technology
- Theodore C. Harman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Infrared detector using a resonant optical cavity for enhanced abso...
- Patent number 5,455,421
- Issue date Oct 3, 1995
- Massachusetts Institute of Technology
- David L. Spears
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR DETECTING AND DISCRIMINATING PARTICLES IN...
- Publication number 20100053614
- Publication date Mar 4, 2010
- Thomas H. Jeys
- G01 - MEASURING TESTING