Title:
Section-switch
Document Type and Number:
United States Patent 1327463
Inventors:
Davis, Harry W.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
01/06/1920
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login or
Create Account (Free!)
Export Citation:
Assignee:
Davis, Harry W.
Primary Class:
Other Classes:
191/20
International Classes:
H01H21/34; H01H21/00