Title:
Switch box support
Document Type and Number:
United States Patent 1819460
Inventors:
Alexander, Frank
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
08/18/1931
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login or
Create Account (Free!)
Referenced by:
Export Citation:
Assignee:
Alexander, Frank
Primary Class:
Other Classes:
248/217.300
International Classes:
H02G3/12