Growing community of inventors

Chicago, IL, United States of America

Lisa M Helfer

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 = 45

Lisa M HelferDaniel P Fiden (4 patents)Lisa M HelferMatthew John Ward (3 patents)Lisa M HelferMichael P Casey (1 patent)Lisa M HelferMatt Fitzsimons (1 patent)Lisa M HelferSteve Lee (1 patent)Lisa M HelferPhillip B Gelber (1 patent)Lisa M HelferLisa M Helfer (5 patents)Daniel P FidenDaniel P Fiden (12 patents)Matthew John WardMatthew John Ward (86 patents)Michael P CaseyMichael P Casey (61 patents)Matt FitzsimonsMatt Fitzsimons (1 patent)Steve LeeSteve Lee (1 patent)Phillip B GelberPhillip B Gelber (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Wms Gaming, Inc. (5 from 979 patents)


5 patents:

1. 9070246 - Wagering game with character learning

2. 8425323 - Wagering game with asset trading

3. 7780511 - Gaming machine having a first bonus event that influences a probability of a second bonus event

4. 7644922 - Gaming terminal with transformable cabinet

5. 7341511 - Gaming terminal having an element moveable along a nonlinear path for indicating a game outcome

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1/6/2026
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