-
-
-
-
-
Continuous tube forming and coating
-
Patent number 5,860,204
-
Issue date Jan 19, 1999
-
The IDOD Trust
-
Theodore H. Krengel
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
-
-
Continuous tube forming and coating
-
Patent number 5,651,819
-
Issue date Jul 29, 1997
-
The IDOD Trust
-
Theodore H. Krengel
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
-
-
Method of forming seamed metal tube
-
Patent number 5,474,227
-
Issue date Dec 12, 1995
-
The IDOD Trust
-
Theordore H. Krengel
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
-
Method of forming seamed metal tube
-
Patent number 5,344,062
-
Issue date Sep 6, 1994
-
The IDOD Trust
-
Theodore H. Krengel
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR