Growing community of inventors

Chicago, IL, United States of America

Zofia Bil

Average Co-Inventor Count = 2.31

ph-index = 5

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 = 499

Zofia BilBarry S Oursler (4 patents)Zofia BilPython V Anghelo (1 patent)Zofia BilJohn T Trudeau (1 patent)Zofia BilBill Pfutzenreuter (1 patent)Zofia BilZofia Bil (5 patents)Barry S OurslerBarry S Oursler (8 patents)Python V AngheloPython V Anghelo (8 patents)John T TrudeauJohn T Trudeau (6 patents)Bill PfutzenreuterBill Pfutzenreuter (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Williams Electronics Games, Inc. (5 from 91 patents)


5 patents:

1. 5417423 - Multiple kicker ramp for a pinball game

2. 5356141 - Roulette scoring device

3. 5351954 - Magnetic ball carrier for a pinball game

4. 5226653 - Multilevel play feature for a pinball game

5. 5120058 - Multiple path ball ramp for pinball games

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/14/2026
Loading…