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For the Inventor, By the Inventor

Ahrensburg, Germany

Edding Ag


USPTO Granted Patents = 2


Trademarks = 5

Forward Citations = 16

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2 inventors (with patents filed for the assignee):

goldMedal Rainer Kaufmann (1 out of 17 patents)

silverMedal Rudiger Kallenberg (1 out of 1 patent)

bronzeMedal Gerhard Blasek (0 patent)


2 patents:

1. 7648297 - Writing utensil (2010-01-19),
2. 4745404 - Display device for planning purposes (1988-05-17),
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USPTO Data Jan 1 1976 - Dec 23 2025

2 Patents

#8 in Ahrensburg

#10,500 in Germany

...
Ahrensburg, Germany

Edding Ag

Forward Citations = 16

2 inventors:

goldMedal Rainer Kaufmann (1 out of 17 patents)

silverMedal Rudiger Kallenberg (1 out of 1 patent)

bronzeMedal Gerhard Blasek (0 patent)

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