Growing community of inventors

Crystal Lake, IL, United States of America

Henry Hillstrom

Average Co-Inventor Count = 2.00

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 = 10

Henry Hillstrom ↔ Youssef Saafan (1 patent)Henry HillstromHenry Hillstrom (1 patent)Youssef SaafanYoussef Saafan (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Carson Optical, Inc. (1 from 63 patents)


1 patent:

1. D905147 - Handheld magnifier

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1/14/2026
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