Growing community of inventors

Catonsville, MD, United States of America

Helen M Hahn

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 = 11

Helen M Hahn ↔ Dale W Kohler (3 patents)Helen M HahnHelen M Hahn (3 patents)Dale W KohlerDale W Kohler (12 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. W.m. T. Burnett Ip, LLC (2 from 59 patents)

2. Stx Corporation (1 from 54 patents)


3 patents:

1. 8327466 - Protective eyewear

2. 7617544 - Protective eyewear

3. 7260854 - Protective eyewear

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idiyas.com
as of
12/15/2025
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