Growing community of inventors

Heerbrug, Switzerland

Erwin Fehr

Average Co-Inventor Count = 2.00

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 24

Erwin FehrAndreas Schaefer (2 patents)Erwin FehrErwin Fehr (2 patents)Andreas SchaeferAndreas Schaefer (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Wild Heerbrugg Aktiengesellschaft (2 from 19 patents)


2 patents:

1. 4717246 - Microscope with movable binocular tube

2. 4697893 - Microscope with a binocular tube

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1/12/2026
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