For the Inventor, By the Inventor

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Berlin, Germany

Etb Endoskopische Technik Gmbh Berlin

USPTO Granted Patents = 2

Forward Citations = 22

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4 inventors (with patents filed for the assignee):

Helmut Laser (1 out of 3 patents)

Eberhard Dietzsch (1 out of 3 patents)

Gerald Hauer (1 out of 1 patent)

4. Christa Dietzsch (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5667475 - Endoscopic device (1997-09-16),

2. 5625488 - Telecentric relay lens system (1997-04-29),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#328 in D-1000 Berlin

#10,513 in Germany

Berlin, Germany

Etb Endoskopische Technik Gmbh Berlin

Forward Citations = 22

4 inventors:

Helmut Laser (1 out of 3 patents)

Eberhard Dietzsch (1 out of 3 patents)

Gerald Hauer (1 out of 1 patent)

4. Christa Dietzsch (1 out of 1 patent)

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