Title:
Filters
United States Patent 2833415


Inventors:
Wilkinson, James W.
Application Number:
US62534056A
Publication Date:
05/06/1958
Filing Date:
11/30/1956
Assignee:
HASTINGS MFG CO
Primary Class:
Other Classes:
210/315, 210/440, 210/DIG.13
International Classes:
B01D27/00; B01D29/00
View Patent Images:
US Patent References:
2612270Two-stage filter1952-09-30