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For the Inventor, By the Inventor

Winterthur, Switzerland

Silver Brothers Limited


USPTO Granted Patents = 1

Forward Citations = 7

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1 inventor (with patents filed for the assignee):

goldMedal Otto Frey (1 out of 56 patents)


1 patent:

1. 4687488 - Femur head prosthesis (1987-08-18),
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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#53 in Winterthur

#4,298 in Switzerland

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Winterthur, Switzerland

Silver Brothers Limited

Forward Citations = 7

1 inventor:

goldMedal Otto Frey (1 out of 56 patents)

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