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Damper control
US 2,722,881 A
Filed
: 02/23/1950
Issued
: 11/08/1955
Est. Priority Date
: 02/23/1950
Status: Expired due to Term
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11 Citations
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Current Assignee
Arpad Elo
,
Noel H. Sutterfield
Original Assignee
Arpad Elo
,
Noel H. Sutterfield
Inventors
Sutterfield, Noel H.
,
ARPAD ELO
Application Number
US03/145,619
Time in Patent Office
2,084 Days
Field of Search
US Class Current
251/58
CPC Class Codes
F15B 15/10
the motor being of diaphrag...
F24F 11/74
for controlling air flow ra...
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