United States Patent 2667915
Inventors:
Pfeffer, Woodrow W.
Northquist, Lawrence C.
Publication Date:
02/02/1954
Assignee:
Pfeffer, Woodrow W.
Northquist, Lawrence C.
Other Classes:
5/656, 5/487, 5/951, 5/948
International Classes:
A47G9/10; A47G9/00
Foreign References:
| FR419527A | | | | |
| CH60476A | | | | |
| GB269125A | | | | |
| FR764714A | | | | |
| FR782695A | | | | |