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Konrad Bergius
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Stans-Oberdorf, CH
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last 30 patents
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Patent Grant
Chairlift unit with a pivotable canopy
Patent number
D307246
Issue date
Apr 17, 1990
Von Roll Transportsysteme AG
Konrad Bergius
D12 - Transportation
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Patent Grant
Chairlift unit
Patent number
D307021
Issue date
Apr 3, 1990
Von Roll Transportsysteme AG
Konrad Bergius
D12 - Transportation