United States Patent 2986320
Inventors:
Nicholls, Herbert C.
Oliver, Huisheere
Publication Date:
05/30/1961
Assignee:
CONS WATER POWER & PAPER COMPA
Other Classes:
229/117.16, 229/125.19, 229/165, 229/905, 229/916, 229/918
International Classes:
B65D5/00; B65D5/00