Growing community of inventors

Roseville, MN, United States of America

Robert E Olson

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 1,318

Robert E OlsonBruce A LeVahn (3 patents)Robert E OlsonRobert E Olson (3 patents)Bruce A LeVahnBruce A LeVahn (9 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Minnesota Scientific, Inc. (3 from 41 patents)


3 patents:

1. 4949707 - Retractor apparatus

2. 4718151 - Retractor apparatus

3. 4617916 - Retractor apparatus

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as of
1/6/2026
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