Growing community of inventors

Schaumburg, IL, United States of America

Lonnie D Ropp

Average Co-Inventor Count = 3.43

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 = 37

Lonnie D RoppDwight D Sullivan (2 patents)Lonnie D RoppJoe Blackwell (2 patents)Lonnie D RoppKeith Johnson (1 patent)Lonnie D RoppLonnie D Ropp (2 patents)Dwight D SullivanDwight D Sullivan (3 patents)Joe BlackwellJoe Blackwell (2 patents)Keith JohnsonKeith Johnson (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Stern Pinball, Inc. (2 from 21 patents)


2 patents:

1. 7967681 - System and method for providing enhanced amusement game tournament play

2. 7070506 - System and method for providing pinball machine tournament play

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as of
12/11/2025
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