08413277 is referenced by 8 patents and cites 32 patents.

A pneumatic lift including inflatable mattresses stacked one atop another and arranged in air flow communication with one another, but with each being independently deflatable.

Title
Pneumatic lift with unidirectional valve
Application Number
12/577802
Publication Number
8413277 (B2)
Application Date
October 13, 2009
Publication Date
April 9, 2013
Inventor
Matthew L Prancuk
Brookfield
CT, US
Edward A Gilchrest Jr
Oxford
CT, US
David T Davis
Bethlehem
PA, US
Agent
Duane Morris
Assignee
Woodlark Circle
PA, US
IPC
F16K 21/04
F16K 17/00
F16K 15/00
A47B 7/00
A47C 16/00
A47C 27/10
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