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For the Inventor, By the Inventor

Hagglingen, Switzerland

Riwisa Ag


USPTO Granted Patents = 2

% Expired Patents = 50.0


Forward Citations = 12

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2 inventors (with patents filed for the assignee):

goldMedal Fritz Seelhofer (2 out of 22 patents)

silverMedal Wolfgang Zangerle (1 out of 3 patents)


2 patents:

1. 9650174 - Fillable closure comprising a push button for triggering (2017-05-16),
2. 8672154 - Fillable closure device with triggering pushbutton (2014-03-18),
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USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#1 in Hagglingen

#3,075 in Switzerland

Hagglingen, CH
Hagglingen, Switzerland

Riwisa Ag

Forward Citations = 12

2 inventors:

goldMedal Fritz Seelhofer (2 out of 22 patents)

silverMedal Wolfgang Zangerle (1 out of 3 patents)

Please report any incorrect information to [email protected]
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