United States Patent 3249953
Inventors:
Nathan, Leskin
Meyer, Karlin
Publication Date:
05/10/1966
Assignee:
Nathan, Leskin
Meyer, Karlin
Other Classes:
5/176.100, 5/207
International Classes:
A47C19/00
Foreign References:
| DE201150C | | | | |
| IT288509B | | | | |
| IT566193B | | | | |