United States Patent 3494502
Inventors:
Roush, Gale S.
Larkin, Mark E.
Hinrichs, Charles F.
Bridenstine, Orville J.
Publication Date:
02/10/1970
Assignee:
PHILLIPS PETROLEUM CO
International Classes:
A47G23/06; B65D1/34; A47G23/00; B65D19/32; A47G23/06