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Hedingen, Switzerland

Emil Keller

Average Co-Inventor Count = 1.00

ph-index = 1

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 = 0

Emil KellerEmil Keller (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Oglevee Associates, Inc. (4 from 36 patents)


4 patents:

1. PP5239 - Distinct variety of Streptocarpus named Kathi

2. PP5238 - Distinct variety of Streptocarpus named Orchis

3. PP5235 - Distinct variety of Streptocarpus named Susi

4. PP5236 - Distinct variety of Streptocarpus named Vreni

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as of
12/19/2025
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