Title:
Fireproof shutter
United States Patent 1707287

Inventors:
Tomitaro, Sudzki
Publication Date:
04/02/1929
View Patent Images:
Download PDF 1707287 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Tomitaro, Sudzki
Primary Class:
160/232
Other Classes:
160/235
International Classes:
E06B9/15; E06B9/17; E06B9/11