Growing community of inventors

Goshen, IN, United States of America

DeRay G Steffensen

Average Co-Inventor Count = 4.44

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 = 45

DeRay G SteffensenJohn E Knudtson (2 patents)DeRay G SteffensenGene A Dylewski (2 patents)DeRay G SteffensenDavid L Ash (2 patents)DeRay G SteffensenNevin L Martin, Jr (1 patent)DeRay G SteffensenDeRay G Steffensen (2 patents)John E KnudtsonJohn E Knudtson (5 patents)Gene A DylewskiGene A Dylewski (2 patents)David L AshDavid L Ash (2 patents)Nevin L Martin, JrNevin L Martin, Jr (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Utilimaster Corporation (2 from 7 patents)


2 patents:

1. 6487979 - Stowable shelf assembly

2. 6398283 - Movable cargo tray apparatus

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as of
12/15/2025
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