United States Patent 2286301
Inventors:
Parsons, Ben G.
Publication Date:
06/16/1942
Assignee:
AMERICAN BOSCH CORP
Other Classes:
210/416.400, 417/501, 92/60, 417/269
International Classes:
F02M41/08; F04B1/14; F04B3/00; F04B7/04; F04B49/16; F04B53/10; F04B1/12; F04B7/00