United States Patent 3106930
Inventors:
James, Lewis A.
Publication Date:
10/15/1963
Assignee:
James, Lewis A.
Other Classes:
239/220, 134/110, 134/194
International Classes:
A47L15/06; A47L15/00
Foreign References:
| AU2053430A | | | | |
| DE419014C | | | | |
| DE546041C | | | | |
| FR557517A | | | | |