Smoking apparatus
United States Patent 3250280

Inventors:
Yow-jiun HU.
Publication Date:
05/10/1966
View Patent Images:
Assignee:
Yow-jiun HU.
Primary Class:
Other Classes:
131/335, 131/331, 131/215.300, 131/200, 131/215.200
International Classes:
A24F7/04; A24F7/00
US Patent References: