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Dieter Hoffmann
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Buchs/AG, DE
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last 30 patents
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Patent Grant
Apparatus for guiding a shaft
Patent number
4,957,375
Issue date
Sep 18, 1990
Kern & Co. AG
Dieter Hoffmann
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Telescope
Patent number
4,943,149
Issue date
Jul 24, 1990
Kern & Co. Ltd.
Erika Wahlen
G02 - OPTICS
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Patent Grant
Adjusting base for geodetic instruments
Patent number
4,482,118
Issue date
Nov 13, 1984
Kern & Co. AG
Dieter Hoffmann
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...