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ALUMINUM ANNEALING FURNACE
US 3,447,790 A
Filed
: 11/14/1966
Issued
: 06/03/1969
Est. Priority Date
: 11/14/1966
Status: Expired due to Term
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4
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4 Citations
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Current Assignee
Robert H. Ross
,
Robert Larko
,
Walter Swartzfager
Original Assignee
Robert H. Ross
,
Robert Larko
,
Walter Swartzfager
Inventors
Ross, Robert H.
,
Larko, Robert
,
Swartzfager, Walter
Application Number
US04/594,126
Time in Patent Office
932 Days
Field of Search
US Class Current
432/49
CPC Class Codes
C21D 11/00
Process control or regulati...
F27D 11/02
Ohmic resistance heating
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