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For the Inventor, By the Inventor

Fjardhundra, Sweden

Rolf Ahlbergs Mekaniska Verkstad Ab


USPTO Granted Patents = 2

Forward Citations = 69

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1 inventor (with patents filed for the assignee):

goldMedal Jan-Erik Danielsson (2 out of 3 patents)


2 patents:

1. D289507 - Wheeled walking frame (1987-04-28),
2. 4661035 - Collapsible wheel-chair and apparatus for lifting the wheel-chair into (1987-04-28),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1 in Fjardhundra

#2,126 in Sweden

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Fjardhundra, Sweden

Rolf Ahlbergs Mekaniska Verkstad Ab

Forward Citations = 69

1 inventor:

goldMedal Jan-Erik Danielsson (2 out of 3 patents)

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