Metal springobard
United States Patent 2805859
US Patent References:
Metallic structure and structural unit
- - 1574563

Constructional element
- - 1710350

Diving projector
- - 2193067

Flooring for aircraft
- - 2245497

Aluminum springboard
- - 2649304


Inventors:
Rude, Raymond C.
Publication Date:
09/10/1957
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Assignee:
Rude, Raymond C.
Primary Class:
482/30
Other Classes:
D21/802, 52/177
International Classes:
A63B5/10; A63B5/00