United States Patent 3423769
Inventors:
Cowley, George E.
Publication Date:
01/28/1969
Assignee:
George, Cowley E.
Other Classes:
4/590, 277/646, 277/921
International Classes:
A47K3/00; A47K3/022; F16J15/46
US Patent References:
| 3050791 | Sealed door for a compartment having a controlled environment | | | |
| 3100918 | Seal for sliding door | | | |