Inventor

SPRINKEL FRANCIS M

US6 patents

⚠️ This page may combine multiple inventors who share the name “SPRINKEL FRANCIS M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILIP MORRIS INC

5 patents

US5878752AMar 9, 1999

Method and apparatus for using, cleaning, and maintaining electrical heat sources and lighters useful in smoking systems and other apparatuses

PHILIP MORRIS INC1,034 citations98

US5666977ASep 16, 1997

PHILIP MORRIS USA INC

1 patent

US7481205B2Jan 27, 2009

High frequency vaporized fuel injector

PHILIP MORRIS USA INC15 citations80

SPRINKEL FRANCIS M

PHILIP MORRIS INC

Method and apparatus for using, cleaning, and maintaining electrical heat sources and lighters useful in smoking systems and other apparatuses

Electrical smoking article using liquid tobacco flavor medium delivery system

Electrically-powered heating element

Flavor-delivery article

Electrically-powered linear heating element

PHILIP MORRIS USA INC

High frequency vaporized fuel injector