United States Patent 2352885
Inventors:
Bukowsky, Harry E.
Publication Date:
07/04/1944
Assignee:
CROWN ZELLERBACH CORP
Other Classes:
144/208.600, 144/136.700, 142/55, 254/124, 144/215.200, 142/1, 414/592
International Classes:
B27L1/00; B27L5/02; B27L5/00