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Karl Gustav Hertel
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D-8510 Furth, DE
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last 30 patents
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Patent Grant
Broach
Patent number
4,740,115
Issue date
Apr 26, 1988
Karl Hertel GmbH
Gunther Hertel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Drive unit for rotary tools
Patent number
4,729,700
Issue date
Mar 8, 1988
Hertel AG Werkzeuge & Hartstoffe
Gunther Hertel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Composite tool unit for chip-removing machining
Patent number
4,632,614
Issue date
Dec 30, 1986
Rall; Gerhard
Gerhard Rall
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Roller reinforced with a hard metal jacket
Patent number
4,115,910
Issue date
Sep 26, 1978
Gunther Hertel
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...