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Minneapolis, MN, United States of America

American Defibrator, Inc.

USPTO Granted Patents = 3

Forward Citations = 32

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7 inventors (with patents filed for the assignee):

Rolf B Reinhall (1 out of 24 patents)

Johan L Michelsen (1 out of 1 patent)

Ture Eric Kollberg (1 out of 1 patent)

4. Ake Sandstron (1 out of 1 patent)

5. Anders Mukvist (1 out of 1 patent)

6. Lars Elander (1 out of 1 patent)

7. Inge J Johansson (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 4235665 - Method and apparatus for producing fiber pulp in a steam pressurized (1980-11-25),

2. 4074803 - Screw conveyor having stopper bar means (1978-02-21),

3. 4039373 - Static discharge device and method for fiber discharge from a (1977-08-02),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#419 in Minneapolis, MN

#1,944 in Minnesota

#71,953 in US

Minneapolis, MN, United States of America

American Defibrator, Inc.

Forward Citations = 32

7 inventors:

Rolf B Reinhall (1 out of 24 patents)

Johan L Michelsen (1 out of 1 patent)

Ture Eric Kollberg (1 out of 1 patent)

4. Ake Sandstron (1 out of 1 patent)

5. Anders Mukvist (1 out of 1 patent)

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