-
Tube processing machine
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Patent number 5,022,909
-
Issue date Jun 11, 1991
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Swanson Systems, Inc.
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Douglas L. Swanson
-
C03 - GLASS MINERAL OR SLAG WOOL
-
2699630
-
Patent number 2,699,630
-
Issue date Jan 18, 1955
-
C03 - GLASS MINERAL OR SLAG WOOL
-
2494387
-
Patent number 2,494,387
-
Issue date Jan 10, 1950
-
C03 - GLASS MINERAL OR SLAG WOOL
-
2125017
-
Patent number 2,125,017
-
Issue date Jul 26, 1938
-
C03 - GLASS MINERAL OR SLAG WOOL
-
2002432
-
Patent number 2,002,432
-
Issue date May 21, 1935
-
C03 - GLASS MINERAL OR SLAG WOOL
-
1688190
-
Patent number 1,688,190
-
Issue date Oct 16, 1928
-
C03 - GLASS MINERAL OR SLAG WOOL