Growing community of inventors

Mount Prospect, IL, United States of America

Robert J Froehlich

Average Co-Inventor Count = 1.50

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 = 19

Robert J Froehlich ↔ Daniel B Granzow (1 patent)Robert J Froehlich ↔ Robert K Rusteberg (1 patent)Robert J FroehlichRobert J Froehlich (3 patents)Daniel B GranzowDaniel B Granzow (12 patents)Robert K RustebergRobert K Rusteberg (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,680 patents)


3 patents:

1. 4245906 - System and method for combining film images

2. D250045 - Blood warming apparatus

3. 4007367 - Semen thaw system

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as of
12/8/2025
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