Heat-responsive closure
United States Patent 1868253

Inventors:
Heinrich, Rackebrandt
Publication Date:
07/19/1932
View Patent Images:
Download PDF 1868253 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Heinrich, Rackebrandt
Primary Class:
52/455
Other Classes:
52/518, 110/173R
International Classes:
E06B5/16; E06B5/10