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For the Inventor, By the Inventor

DE

Riedel-De-Haen


USPTO Granted Patents = 1

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

goldMedal Heinz Langhals (1 out of 21 patents)

silverMedal Christoph Naumann (1 out of 1 patent)


1 patent:

1. 5266700 - Bipyridyls and their use as inks (1993-11-30),
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USPTO Data Jan 1 1976 - Jan 20 2026

1 Patents

#709 in

#15,136 in Germany

...
DE

Riedel-De-Haen

Forward Citations = 3

2 inventors:

goldMedal Heinz Langhals (1 out of 21 patents)

silverMedal Christoph Naumann (1 out of 1 patent)

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