Title:
Vacuum cleaning brush, including removable bristle holding cores
United States Patent 2606338
Inventors:
Lorenzo, Fred DE. P.
Publication Date:
08/12/1952
Other Classes:
15/202, 15/104.200, 15/396, 15/206
International Classes:
A46B13/00; A47L9/06
Foreign References:
| CH110914A | | | | |
| GB441154A | | | | |
| DE457859C | | | | |