Forward Citations = 34

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3 inventors (with patents filed for the assignee):

Helmut Keller (2 out of 3 patents)

Ursel Willrett (1 out of 2 patents)

Rolf Bohley (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 6687289 - Method for measuring the attenuation in digital transmission lines (2004-02-03),

2. 6430397 - Method and device for measuring the transmission quality in cells of mobile radio networks (2002-08-06),

3. 5955954 - Warning and measuring device for personal protection in electromagnetic (1999-09-21),

4. 5877619 - Battery-operated hand field-strength meter and method of null balancing (1999-03-02),

Wandel & Goltermann Management Holding GmbH is a leading management holding company specializing in providing strategic guidance and support to a diverse range of businesses. With a proven track record of success and a team of experienced professionals, we offer comprehensive management services to help our clients achieve their business goals and drive growth. Visit our website to learn more about our services and how we can help your business succeed.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

4 Patents

#3 in

#6,900 in Germany

Eningen, Germany

Wandel & Goltermann Management Holding Gmbh

Forward Citations = 34

3 inventors:

Helmut Keller (2 out of 3 patents)

Ursel Willrett (1 out of 2 patents)

Rolf Bohley (1 out of 2 patents)

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