Growing community of inventors

Cicero, IL, United States of America

Norbert S Wolak

Average Co-Inventor Count = 2.40

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 = 9

Norbert S WolakThomas J, Wolak (2 patents)Norbert S WolakLeonidas Jaras (1 patent)Norbert S WolakNorbert S Wolak (2 patents)Thomas J, WolakThomas J, Wolak (2 patents)Leonidas JarasLeonidas Jaras (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Evans Products Company (2 from 33 patents)


2 patents:

1. 4048755 - Full length door arrangement for railway house car

2. 3998484 - Sliding door locking device

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1/22/2026
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