DS

David L. Spears

MIT: 3 patents #1,739 of 9,367Top 20%
📍 Acton, MA: #597 of 1,334 inventorsTop 45%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,560,126 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7920261 Method and apparatus for detecting and discriminating particles in a fluid Thomas H. Jeys, Antonio Sanchez-Rubio, Richard J. Molnar, Robert K. Reich, Jinendra Kumar Ranka +1 more 2011-04-05
6452206 Superlattice structures for use in thermoelectric devices Theodore C. Harman, Mildred Dresselhaus, Michael P. Walsh, Stephen B. Cronin, Xiangzhong Sun +1 more 2002-09-17
5455421 Infrared detector using a resonant optical cavity for enhanced absorption 1995-10-03