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Amitabh Das

PU Philip Morris Usa: 3 patents #12 of 74Top 20%
📍 Hillsboro, OR: #5 of 92 inventorsTop 6%
🗺 Oregon: #76 of 1,309 inventorsTop 6%
Overall (1997): #18,175 of 185,788Top 10%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5659656 Semiconductor electrical heater and method for making same 1997-08-19
5649554 Electrical lighter with a rotatable tobacco supply F. Murphy Sprinkel, Jr., Grier S. Fleischhauer, Everett C. Grollimund, Willie G. Houck, Jr., Peter Lipowicz +3 more 1997-07-22
5613504 Flavor generating article and method for making same Alfred L. Collins, Mary Ellen Counts, Seetharama C. Deevi, Grier S. Fleischhauer, Charles T. Higgins +15 more 1997-03-25