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Mattress
US 3,419,920 A
Filed
: 10/17/1966
Issued
: 01/07/1969
Est. Priority Date
: 10/17/1966
Status: Expired due to Term
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Current Assignee
Forrest E. Maddux Jr
,
John R. Greeno
Original Assignee
Forrest E. Maddux Jr
,
John R. Greeno
Inventors
Maddux, Forrest E. Jr.
,
Greeno, John R.
Application Number
US04/591,372
Time in Patent Office
813 Days
Field of Search
US Class Current
5/695
CPC Class Codes
A47C 27/146
on the outside surface of t...
A47C 27/148
of different resilience
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