United States Patent 2973888
Inventors:
Herbert, Beardsley Harold
Publication Date:
03/07/1961
Assignee:
Herbert, Beardsley Harold
Other Classes:
224/156, 5/114, 297/188.200, 297/4, 297/380
International Classes:
A47C17/80; A47C17/00
Foreign References:
| AT76461B | | | | |
| CH231623A | | | | |
| FR337812A | | | | |
| DE848409C | | | | |
| FR956986A | | | | |
| FR967412A | | | | |
| FR1018553A | | | | |