United States Patent 3018878
Inventors:
Watkins, Richard E.
Publication Date:
01/30/1962
Assignee:
Watkins, Richard E.
Other Classes:
131/238, 131/347, 131/242, 131/257, 206/254, 206/268, 131/239
International Classes:
A24F15/18; B65D85/10; A24F15/00; B65D85/08