Title:
Smoking pipes
United States Patent 3204642
US Patent References:
Smoker's appliance
- - 2510909

Smoking pipe
- - 2590488

Smoking pipe
- - 2708442

Pre-inhalation pipe
- - 2709441


Inventors:
Ralph, Anspach
Killen, Duncan C.
Publication Date:
09/07/1965
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Assignee:
Ralph, Anspach
Killen, Duncan C.
Primary Class:
131/178
Other Classes:
131/198.100, D27/163
International Classes:
A24F1/00
Foreign References:
GB191124226A