Smoking pipe

Details Smoking pipe Smoking pipe

1979-08-30

1981-06-30

Pellegrino, Stephen C.

Tobacco

Tobacco users' appliance

Device used for smoking

131198A, A24F 504

Patent

active

042757479

ABSTRACT:
A smoking pipe having a metal air injection pin in the stem for conductively cooling the smoke and for introducing and mixing a controlled amount of air into the smoke stream proportional to the smoke stream velocity.

REFERENCES:
patent: 1212590 (1917-01-01), Waigand
patent: 1664146 (1928-03-01), Wilson
patent: 1989069 (1935-01-01), Warnke
patent: 2216303 (1940-10-01), Taylor

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