United States Patent 2992644
Inventors:
Plantinga, Oliver S.
Trewella, Robert J.
Publication Date:
07/18/1961
Assignee:
JOHNSON & JOHNSON
Other Classes:
602/59, D24/189
International Classes:
A61F13/02
Foreign References:
| GB191022327A | | | | |
| GB776408A | | | | |
| FR661113A | | | | |