United States Patent 2555686
Inventors:
Peter, Catanzaro
Mary, Farrelly
Publication Date:
06/05/1951
Assignee:
Cantanzaro, And Peter Guba
Other Classes:
261/77, 417/423.150, 415/144, 4/559, 601/167, 261/50.100
International Classes:
A61H33/00; A61H33/02