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Reducing flange
US 2,446,481 A
Filed
: 02/05/1945
Issued
: 08/03/1948
Est. Priority Date
: 02/05/1945
Status: Expired due to Term
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Current Assignee
Louis Letterman
Original Assignee
Louis Letterman
Inventors
Letterman, Louis
Application Number
US02/576,220
Time in Patent Office
1,275 Days
Field of Search
US Class Current
285/148.25
CPC Class Codes
F16L 23/12
specially adapted for parti...
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