Growing community of inventors

Worth, IL, United States of America

Joe Blackwell

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

Joe BlackwellDwight D Sullivan (2 patents)Joe BlackwellLonnie D Ropp (2 patents)Joe BlackwellKeith Johnson (1 patent)Joe BlackwellJoe Blackwell (2 patents)Dwight D SullivanDwight D Sullivan (3 patents)Lonnie D RoppLonnie D Ropp (2 patents)Keith JohnsonKeith Johnson (1 patent)
..
Inventor’s number of patents
..
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

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/11/2025
Loading…