Title:
Breathing apparatus for divers
Document Type and Number:
United States Patent 2839053
Inventors:
Lorenz, Robert L.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
06/17/1958
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Referenced by:
Export Citation:
Assignee:
Lorenz, Robert L.
Primary Class:
Other Classes:
137/908, 128/205.240, 128/206.290
International Classes:
B63C11/18; B63C11/22; B63C11/02
Foreign References:
| GB439183A | ||||
| GB663202A | ||||
| FR1023404A |