United States Patent 3517871
Inventors:
Gaffney, James P.
Gaffney, John J.
Publication Date:
06/30/1970
Assignee:
James, Gaffney P.
John, Gaffney J.
Other Classes:
83/953, 83/648, 83/588, 83/465, 83/382, 83/564, 206/530
International Classes:
A61J7/00; B26F3/00