United States Patent 1938497
Inventors:
Pogue, Charles N.
Publication Date:
12/05/1933
Assignee:
Pogue, Charles N.
Other Classes:
261/35, 261/DIG.083, 261/121.300, 261/34.100, 261/41.500
International Classes:
F02M17/22; F02M31/093; F02M31/18; F02M17/00; F02M31/02