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AMERICAN WELDING INSTITUTE
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LOUISVILLE, TN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Penetration sensor/controller arc welder
Patent number
5,510,596
Issue date
Apr 23, 1996
American Welding Institute
Xiaoshu Xu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74069143 - AWI
Serial number
74069143
Registration number
1737156
Filing date
Jun 12, 1990
American Welding Institute
41 - Education
Information
Trademark
74065029 - AWI
Serial number
74065029
Registration number
1737154
Filing date
Jun 4, 1990
American Welding Institute
41 - Education
Information
Trademark
74058878 - WELDATA
Serial number
74058878
Registration number
1745341
Filing date
May 14, 1990
American Welding Institute (D.C. corporation)
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73645950 - AWI
Serial number
73645950
Registration number
1460024
Filing date
Feb 24, 1987
AMERICAN WELDING INSTITUTE, INC.
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73605787 - AMERICAN WELDING INSTITUTE
Serial number
73605787
Registration number
1428349
Filing date
Jun 23, 1986
AMERICAN WELDING INSTITUTE, INC.
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73597658 - W.I.N.
Serial number
73597658
Registration number
1476769
Filing date
May 8, 1986
AMERICAN WELDING INSTITUTE
16 - Paper, cardboard and goods made from these materials, not included in other classes