United States Patent 2509451
Inventors:
Reinholz, William H.
Publication Date:
05/30/1950
Assignee:
William, Hubert J.
Other Classes:
297/440.240, 297/440.110
International Classes:
A47C5/10; A47C5/00
Foreign References:
| GB376251A | | | | |
| FR676274A | | | | |
| FR784431A | | | | |