United States Patent 2229201
Inventors:
Earl, Williford Marsh
Eck, Partee Clarence
Publication Date:
01/21/1941
Assignee:
Earl, Williford Marsh
Eck, Partee Clarence
Other Classes:
187/343, 472/131, 250/221, 472/137, 250/223R
International Classes:
A63G31/00