Flagstaff
United States Patent 3119370
US Patent References:
Flagstaff
- - 1343140

Rolling-window-screen construction
- - 1680092

Protable resilient marker
- - 3067717


Inventors:
Keats, John B.
Publication Date:
01/28/1964
View Patent Images:
Download PDF 3119370 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Keats, John B.
Primary Class:
116/173
Other Classes:
D11/166
International Classes:
E04H12/32; E04H12/00