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For the Inventor, By the Inventor

CH

Robert Rieffel Ag


USPTO Granted Patents = 1

Forward Citations = 7

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2 inventors (with patents filed for the assignee):

goldMedal Ernst Vogeli (1 out of 3 patents)

silverMedal Robert Rieffel (1 out of 1 patent)


1 patent:

1. 5291768 - Plastic key tag with a key bar (1994-03-08),
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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#385 in

#4,391 in Switzerland

CH
CH

Robert Rieffel Ag

Forward Citations = 7

2 inventors:

goldMedal Ernst Vogeli (1 out of 3 patents)

silverMedal Robert Rieffel (1 out of 1 patent)

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