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For the Inventor, By the Inventor

Smørum, Denmark

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USPTO Granted Patents = 1

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

goldMedal Peter Spragge (1 out of 10 patents)

silverMedal Rune Vaerndal (1 out of 2 patents)


1 patent:

1. 8059846 - Switching device for hearing aid (2011-11-15),
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USPTO Data Jan 1 1976 - Sep 15 2026

1 Patents

#4 in Smørum

#1,451 in Denmark

Smørum, DK
Smørum, Denmark

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Forward Citations = 0

2 inventors:

goldMedal Peter Spragge (1 out of 10 patents)

silverMedal Rune Vaerndal (1 out of 2 patents)

Please report any incorrect information to [email protected]
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