Flexible drinking straw
United States Patent 2550797
US Patent References:
/0754948.html
- - 0754948

Drinking tube
- - 2094268


Inventors:
Friedman, Joseph B.
Publication Date:
05/01/1951
View Patent Images:
Download PDF 2550797 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Friedman, Joseph B.
Primary Class:
239/33
International Classes:
A47G21/18; B29C53/30; A47G21/00; B29C53/00