Growing community of inventors

Edinboro, PA, United States of America

Steven F Spiegel

Average Co-Inventor Count = 3.00

ph-index = 4

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 = 103

Steven F Spiegel ↔ Donald A Hohman (4 patents)Steven F Spiegel ↔ Wanda Hope Mahachanh (3 patents)Steven F Spiegel ↔ John L Grossenbacher (1 patent)Steven F SpiegelSteven F Spiegel (4 patents)Donald A HohmanDonald A Hohman (11 patents)Wanda Hope MahachanhWanda Hope Mahachanh (3 patents)John L GrossenbacherJohn L Grossenbacher (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Accuride Corporation (4 from 26 patents)


4 patents:

1. D521918 - Vehicle wheel

2. D521919 - Vehicle wheel

3. D504378 - Vehicle wheel

4. D502908 - Vehicle wheel

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as of
12/11/2025
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