For the Inventor, By the Inventor

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.ang.rdal Og Sunndal Verk A.s.

USPTO Granted Patents = 2

Forward Citations = 8

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4 inventors (with patents filed for the assignee):

Tormod Naterstad (1 out of 6 patents)

Jan Hurlen (1 out of 2 patents)

Knut Bergli (1 out of 4 patents)

4. Sigurd J Stromme (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4659442 - Method of reducing the loss of carbon from anodes when producing (1987-04-21),

2. 4593864 - Differential mandrel for sheet-slitting machine recoiler (1986-06-10),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#195 in Oslo

#717 in Norway

.ang.rdal Og Sunndal Verk A.s.

Forward Citations = 8

4 inventors:

Tormod Naterstad (1 out of 6 patents)

Jan Hurlen (1 out of 2 patents)

Knut Bergli (1 out of 4 patents)

4. Sigurd J Stromme (1 out of 1 patent)

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