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US 2,507,119 A
Filed
: 03/14/1946
Issued
: 05/09/1950
Est. Priority Date
: 03/14/1946
Status: Expired due to Term
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Current Assignee
Frank A. Ryder
,
Randall, Ross D.
Original Assignee
Frank A. Ryder
,
Randall, Ross D.
Inventors
Randall, Ross D.
,
Ryder, Frank A.
Application Number
US02/654,295
Time in Patent Office
1,517 Days
Field of Search
US Class Current
236/68.00B
CPC Class Codes
B60H 1/2206
controlling the operation o...
B64D 13/08
the air being heated or cooled
F23N 5/065
using electrical or electro...
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