For the Inventor, By the Inventor

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Mellrichstadt, Germany

Prehkeytec Gmbh

USPTO Granted Patents = 3

EPO Patents = 3

Trademarks = 1

Forward Citations = 2

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2 inventors (with patents filed for the assignee):

Klaus Schmoeger (2 out of 8 patents)

Tom Cadera (1 out of 1 patent)

Gerhard Hochgesang (22 patents)

4. Bernd Grossmann (1 patent)

5. Andrzej Malinowski (1 patent)

6. Rudolf Limpert (2 patents)

7. Jürgen Lieb (0 patent)

8. Klaus Schmöger (0 patent)

3 patents: Sort by Forward Citations

1. 9734964 - Rubber mat keyboard, particularly a silicone mat keyboard (2017-08-15),

2. 9552938 - Rubber mat keyboard, particularly a silicone mat keyboard (2017-01-24),

3. D642175 - Keyboard (2011-07-26),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#2 in Mellrichstadt

#8,262 in Germany

Mellrichstadt, Germany

Prehkeytec Gmbh

Forward Citations = 2

2 inventors:

Klaus Schmoeger (2 out of 8 patents)

Tom Cadera (1 out of 1 patent)

Gerhard Hochgesang (22 patents)

4. Bernd Grossmann (1 patent)

5. Andrzej Malinowski (1 patent)

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