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Heribert Schramm
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Stuttgart, DT
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Drill chuck arrangement
Patent number
4,083,571
Issue date
Apr 11, 1978
Robert Bosch GmbH
Fritz Schadlich
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Impact drilling tool
Patent number
4,073,348
Issue date
Feb 14, 1978
Robert Bosch GmbH
Heribert Schramm
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Patent Grant
Hammer drill
Patent number
3,955,628
Issue date
May 11, 1976
Robert Bosch GmbH
Dieter Grozinger
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS