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For the Inventor, By the Inventor

Sandsli, Norway

Power Diaphragm Technology A/s


USPTO Granted Patents = 1

Forward Citations = 7

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2 inventors (with patents filed for the assignee):

goldMedal Nils T Ottestad (1 out of 24 patents)

silverMedal Hans Knutsen (1 out of 1 patent)


1 patent:

1. 5918639 - Device for repairing damage or providing branchings on existing pipe (1999-07-06),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#1 in Sandsli

#1,174 in Norway

...
Sandsli, Norway

Power Diaphragm Technology A/s

Forward Citations = 7

2 inventors:

goldMedal Nils T Ottestad (1 out of 24 patents)

silverMedal Hans Knutsen (1 out of 1 patent)

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