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Tech-Line Engineering Co.
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Warren, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for forming a clinch joint
Patent number
5,622,442
Issue date
Apr 22, 1997
Tech-Line Engineering Co.
Louis C. Schleicher
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus and method for forming a clinch joint
Patent number
5,490,310
Issue date
Feb 13, 1996
Tech-Line Engineering Co.
Louis C. Schleicher
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for forming a clinch joint
Patent number
5,315,743
Issue date
May 31, 1994
Tech-Line Engineering Co.
Louis C. Schleicher
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Leak proof joint and method and apparatus for forming same
Patent number
5,155,897
Issue date
Oct 20, 1992
Tech-Line Engineering Co.
Louis C. Schleicher
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Leak proof joint
Patent number
5,051,020
Issue date
Sep 24, 1991
Tech-Line Engineering Co.
Louis C. Schleicher
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74428787 - FASTITCH
Serial number
74428787
Filing date
Aug 26, 1993
TECH-LINE ENGINEERING CO.
7 - Machines and machine tools