Title:
Adjustable pneumatic support
United States Patent 3192540
US Patent References:
Automobile seat inflation device
- - 2136510

Cushioning and supporting device
- - 2245909

Flexible valve structure
- - 2716013


Inventors:
Swank, Richard E.
Publication Date:
07/06/1965
View Patent Images:
Assignee:
Swank, Richard E.
Primary Class:
Other Classes:
137/223, 297/282, 244/122R, 5/1, 297/284.100, 5/654
International Classes:
A47C27/10