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Temperature control systems
US 3,051,813 A
Filed
: 08/24/1960
Issued
: 08/28/1962
Est. Priority Date
: 08/24/1960
Status: Expired due to Term
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21
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21 Citations
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Current Assignee
Floyd H. Busch
,
Fred H. Sawada
Original Assignee
Floyd H. Busch
,
Fred H. Sawada
Inventors
Busch, Floyd H.
,
Sawada, Fred H.
Application Number
US04/051,685
Time in Patent Office
734 Days
Field of Search
US Class Current
219/489
CPC Class Codes
G05D 23/1906
using an analogue comparing...
G05D 23/24
the sensing element having ...
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