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For the Inventor, By the Inventor

Stockholm, Sweden

Pressmaster Ltd.


USPTO Granted Patents = 4

Trademarks = 1

Forward Citations = 32

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2 inventors (with patents filed for the assignee):

goldMedal Hans Undin (3 out of 34 patents)

silverMedal Hans Wiener (1 out of 27 patents)


4 patents:

1. 4121092 - Electric power apparatus (1978-10-17),
2. 4065084 - Foldable stand (1977-12-27),
3. 4057993 - Hand operated gripping apparatus (1977-11-15),
4. 4048877 - Device, particularly of the pliers or scissors type (1977-09-20),
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USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#171 in Stockholm

#1,302 in Sweden

Stockholm, SE
Stockholm, Sweden

Pressmaster Ltd.

Forward Citations = 32

2 inventors:

goldMedal Hans Undin (3 out of 34 patents)

silverMedal Hans Wiener (1 out of 27 patents)

Please report any incorrect information to [email protected]
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