Title:
Black-out device
United States Patent 2352609

Inventors:
Bates, Sam J.
Publication Date:
07/04/1944
View Patent Images:
Download PDF 2352609 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Bates, Sam J.
Primary Class:
160/271
Other Classes:
160/290.100, 160/41
International Classes:
E06B9/17; E06B9/60; E06B9/56