Fold down exhaust stack for engines
United States Patent 3345092
Inventors:
Athman, Coelestin F.
Athman, Virgil J.
Publication Date:
10/03/1967
Assignee:
Athman, Coelestin F.
Athman, Virgil J.
Other Classes:
403/110, 403/75, 403/93, 285/311, 403/33, 403/78, 180/89.200, 403/81
International Classes:
F01N7/18