United States Patent 2649146
Inventors:
Sanford, Roy S.
Simpson, Paul F.
Publication Date:
08/18/1953
Assignee:
Sanford, Roy S.
Simpson, Paul F.
Other Classes:
297/411.420, 297/440.120
International Classes:
A47C3/12; A47C5/04; A47C3/00; A47C5/00
Foreign References:
| AT78771B | | | | |
| AU9247023A | | | | |
| FR654651A | | | | |
| DE234907C | | | | |
| GB469396A | | | | |