Seal for circuit controlling devices
United States Patent 2267364

Inventors:
Nelson, Blount
Publication Date:
12/23/1941
View Patent Images:
Download PDF 2267364 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
74/18.200
Other Classes:
200/302.200
International Classes:
H01H13/06; H01H13/04