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For the Inventor, By the Inventor

CH

Draftex Development


USPTO Granted Patents = 1

Forward Citations = 20

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1 inventor (with patents filed for the assignee):

goldMedal Heinz Andrzejewski (1 out of 8 patents)


1 patent:

1. 4271634 - Channel-shaped sealing strips (1981-06-09),
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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#385 in

#4,396 in Switzerland

CH
CH

Draftex Development

Forward Citations = 20

1 inventor:

goldMedal Heinz Andrzejewski (1 out of 8 patents)

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