Title:
Pneumatic space capsule
United States Patent 3346989
US Patent References:
Doll
- - 2288798

Gas detection
- - 2349250

Toy
- - 2424538

Magnetic assembly toy
- - 2767517


Inventors:
Ryan, John W.
Adickes Jr., Cecil F.
Gelder, Jacob DE.
Publication Date:
10/17/1967
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Assignee:
MATTEL INC
Primary Class:
446/198
Other Classes:
446/139, 446/268
International Classes:
A63H3/52; A63H13/00; A63H30/06; A63H3/00; A63H30/00