United States Patent 2796208
Inventors:
O'leary, Francis M.
Mayo, Elizabeth C.
Alexander, Earle F.
Kaltenbach, Merle H.
Publication Date:
06/18/1957
Assignee:
O'leary, Francis M.
Mayo, Elizabeth C.
Alexander, Earle F.
Kaltenbach, Merle H.
Other Classes:
224/648, 224/638, 224/653, 224/655
International Classes:
C12M1/02; C12M1/22