For the Inventor, By the Inventor

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Helsinki, Finland

Masa-yards Oy

USPTO Granted Patents = 3

Forward Citations = 14

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6 inventors (with patents filed for the assignee):

Jarmo Wacker (1 out of 4 patents)

Jan Kingo (1 out of 1 patent)

Tuomas Routa (1 out of 1 patent)

4. Kai Levander (1 out of 4 patents)

5. Gustav Lindqvist (1 out of 4 patents)

6. Jarmo Salmenmaki (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5233808 - Method of constructing a building (1993-08-10),

2. 5161477 - Ice going ship (1992-11-10),

3. 5052323 - Barge transport system (1991-10-01),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#180 in Helsinki

#769 in Finland

Helsinki, Finland

Masa-yards Oy

Forward Citations = 14

6 inventors:

Jarmo Wacker (1 out of 4 patents)

Jan Kingo (1 out of 1 patent)

Tuomas Routa (1 out of 1 patent)

4. Kai Levander (1 out of 4 patents)

5. Gustav Lindqvist (1 out of 4 patents)

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