Vacuum cleaner apparatus
United States Patent 2248585

Inventors:
Ross, Oscar A.
Shackleford, Forrest W.
Publication Date:
07/08/1941
View Patent Images:
Download PDF 2248585 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Ross, Oscar A.
Shackleford, Forrest W.
Primary Class:
15/323
Other Classes:
15/DIG.010, 280/29, 15/327.500, 15/246, 280/8
International Classes:
A47L9/00