United States Patent 2469656
Inventors:
Lienert, Peter H.
Publication Date:
05/10/1949
Assignee:
Lienert, Peter H.
Other Classes:
392/393, 239/58, 128/204.130, 392/391, 219/552, 126/344, 239/136, 422/126, 128/203.260, 422/4
International Classes:
A61M11/04; A61M11/00