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Widnau, Switzerland

Platson Ag Kunststoffwerke Hans Frei & Sohne

USPTO Granted Patents = 1

Forward Citations = 6

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2 inventors (with patents filed for the assignee):

Peter Sieber (1 out of 2 patents)

Gutmann Franz (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 4422442 - Warming jug (1983-12-27),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#9 in Widnau

#4,650 in Switzerland

Widnau, Switzerland

Platson Ag Kunststoffwerke Hans Frei & Sohne

Forward Citations = 6

2 inventors:

Peter Sieber (1 out of 2 patents)

Gutmann Franz (1 out of 1 patent)

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