Closure operator
United States Patent 2775446
US Patent References:
Window-regulating mechanism
- - 1747587

Toggle device
- - 2013608

Window operating mechanism
- - 2185321


Inventors:
Stavenau, Harold L.
Park, Dan M.
Publication Date:
12/25/1956
View Patent Images:
Download PDF 2775446 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
TRUTH TOOL COMPANY
Primary Class:
49/324
Other Classes:
74/99R
International Classes:
E05F11/12; E05F11/00