Inflatable structure
United States Patent 3353309
US Patent References:
Air-supported building
- - 2948286

Tent-roof
- - 2988096

Inflatable structure
- - 2990837


Inventors:
Kwake, John P.
Publication Date:
11/21/1967
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Assignee:
Kwake, John P.
Primary Class:
52/2.140
Other Classes:
52/2.240, 4/499, 135/117
International Classes:
E04H15/22; E04H15/20
Foreign References:
BE3059655A