Friedhard Fehr

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Lauter, DE

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Patents Grantslast 30 patents

Information Patent Grant
Rotary potentiometer
- Patent number 4,954,804
- Issue date Sep 4, 1990
- Preh-Werke GmbH & Co. KG
- Gottfried Berthold
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Thick-film capacitor manufactured by printed-circuit techniques
- Patent number 4,555,745
- Issue date Nov 26, 1985
- Preh Elektrofeinmechanische Werke Jakob Preh Nachf. GmbH & Co.
- Gisela Westermeir
- H01 - BASIC ELECTRIC ELEMENTS