For the Inventor, By the Inventor

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Landskrona, Sweden

Stefa Industri Aktiebolag

USPTO Granted Patents = 2

Forward Citations = 30

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5 inventors (with patents filed for the assignee):

Per-Ake Persson (1 out of 1 patent)

G Rune Klinteberg (1 out of 1 patent)

N A Johansson (1 out of 1 patent)

4. B Lennart Johansson (1 out of 1 patent)

5. Christer H Dahlgren (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4303250 - Sealing in an adapter for available sealing grooves (1981-12-01),

2. 4285526 - Sealing device for bearings, especially roll bearings (1981-08-25),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#19 in Landskrona

#2,126 in Sweden

Landskrona, Sweden

Stefa Industri Aktiebolag

Forward Citations = 30

5 inventors:

Per-Ake Persson (1 out of 1 patent)

G Rune Klinteberg (1 out of 1 patent)

N A Johansson (1 out of 1 patent)

4. B Lennart Johansson (1 out of 1 patent)

5. Christer H Dahlgren (1 out of 1 patent)

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