United States Patent 3434629
Inventors:
Hooge, Alvin W.
Hooge, Yvonne L.
Publication Date:
03/25/1969
Assignee:
Alvin, Hooge W.
Yvonne, Hooge L.
Other Classes:
222/457, 221/96
International Classes:
A47K5/12; A47K5/18; A61C17/02; A47K5/00; A61C17/00; B67B7/24; B67B7/28