For the Inventor, By the Inventor

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Copenhagen, Denmark

Danavox A/s

USPTO Granted Patents = 3

Forward Citations = 81

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4 inventors (with patents filed for the assignee):

Jorgen Hartmann (1 out of 2 patents)

Jorgen R Pedersen (1 out of 1 patent)

Jorgen F Elbaek (1 out of 1 patent)

4. Leon Birch (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4564955 - Coupling for use in the securing of a hook-shaped sound part on a (1986-01-14),

2. 4499337 - Coupler for microtelephone set (1985-02-12),

3. 4296829 - Hook-shaped part of a behind-the-ear hearing aid (1981-10-27),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#72 in Copenhagen

#671 in Denmark

Copenhagen, Denmark

Danavox A/s

Forward Citations = 81

4 inventors:

Jorgen Hartmann (1 out of 2 patents)

Jorgen R Pedersen (1 out of 1 patent)

Jorgen F Elbaek (1 out of 1 patent)

4. Leon Birch (1 out of 1 patent)

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