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For the Inventor, By the Inventor

Bremen, Germany

Firma Heinrich Buhnen Kg


USPTO Granted Patents = 1

Forward Citations = 21

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1 inventor (with patents filed for the assignee):

goldMedal Carl Siegmann (1 out of 4 patents)


1 patent:

1. 4124163 - Relief pressure valve for hot melt adhesive (1978-11-07),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#92 in Bremen

#15,083 in Germany

...
Bremen, Germany

Firma Heinrich Buhnen Kg

Forward Citations = 21

1 inventor:

goldMedal Carl Siegmann (1 out of 4 patents)

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