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Moisture responsive control means
US 2,748,687 A
Filed
: 09/01/1951
Issued
: 06/05/1956
Est. Priority Date
: 09/01/1951
Status: Expired due to Term
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Current Assignee
Robert L. Ballard
Original Assignee
Robert L. Ballard
Inventors
Ballard, Robert L.
Application Number
US03/244,823
Time in Patent Office
1,739 Days
Field of Search
US Class Current
454/75
CPC Class Codes
B60H 1/00785
by the detection of humidit...
B60H 1/28
the openings being situated...
B60J 7/0573
power driven arrangements, ...
E05F 15/71
responsive to temperature c...
E05Y 2900/542
Roof panels
E05Y 2900/55
Windows
G01N 27/048
for determining moisture co...
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