FS

Francis M. Sprinkel

PU Philip Morris Usa: 11 patents #327 of 564Top 60%
📍 Glen Allen, VA: #62 of 521 inventorsTop 15%
🗺 Virginia: #2,714 of 34,511 inventorsTop 8%
Overall (All Time): #468,724 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7481205 High frequency vaporized fuel injector David Keeler, Niranjan Maharajh, Mimmo Elia, Josh Breinlinger, Jan-Roger Linna 2009-01-27
5878752 Method and apparatus for using, cleaning, and maintaining electrical heat sources and lighters useful in smoking systems and other apparatuses John M. Adams, William J. Crowe, Grier S. Fleischhauer, Jay A Fournier, Mohammad R. Hajaligol +10 more 1999-03-09
5666977 Electrical smoking article using liquid tobacco flavor medium delivery system Charles T. Higgins, Wynn R. Raymond 1997-09-16
5224498 Electrically-powered heating element Seetharama C. Deevi 1993-07-06
5144962 Flavor-delivery article Mary Ellen Counts, Mohammad R. Hajaligol, Constance H. Morgan, Ulysses Smith, Francis V. Utsch 1992-09-08
5093894 Electrically-powered linear heating element Seetharama C. Deevi 1992-03-03
4848375 Filter cigarette Gregorio I. Patron, Walter A. Nichols, Paul N. Gauvin 1989-07-18
4717017 Package with means for releasing aromatic substance on opening Reginald W. Newsome 1988-01-05
4699158 Adjustable filter cigarette with tactile indicator 1987-10-13
4687008 Filter cigarette Willie G. Houck, Jr., Reginald W. Newsome, David B. Spruill, Walter A. Nichols 1987-08-18
4677995 Filter cigarette Andrew G. Kallianos, Paula Decker 1987-07-07