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Spencer L. Gibbs
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Danville, IN, US
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last 30 patents
Information
Patent Grant
Induction hardening apparatus for a crankshaft
Patent number
6,160,247
Issue date
Dec 12, 2000
Contour Hardening, Inc.
John M. Storm
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Induction hardening apparatus for a crankshaft
Patent number
6,153,865
Issue date
Nov 28, 2000
Contour Hardening, Inc.
John M. Storm
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Induction hardening apparatus for a crankshaft
Patent number
6,111,236
Issue date
Aug 29, 2000
Contour Hardening, Inc.
John M. Storm
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Induction hardening apparatus for a crankshaft
Patent number
6,018,155
Issue date
Jan 25, 2000
Contour Hardening, Inc.
John M. Storm
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Induction hardening apparatus for a crankshaft
Patent number
6,013,904
Issue date
Jan 11, 2000
Contour Hardenting, Inc.
John M. Storm
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus and method of induction-hardening machine components with...
Patent number
5,266,765
Issue date
Nov 30, 1993
Contour Hardening, Inc.
John M. Storm
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus and method of induction-hardening machine components with...
Patent number
5,053,596
Issue date
Oct 1, 1991
Contour Hardening Investors, LP
John M. Storm
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR