Growing community of inventors

Roselle, IL, United States of America

Larry Pfaffenbach

Average Co-Inventor Count = 3.00

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 = 3

Larry PfaffenbachDaniel R Hustad (3 patents)Larry PfaffenbachJohn E Smollen (3 patents)Larry PfaffenbachLarry Pfaffenbach (3 patents)Daniel R HustadDaniel R Hustad (3 patents)John E SmollenJohn E Smollen (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chicago Board Options Exchange, Incorporated (3 from 47 patents)


3 patents:

1. 8484125 - Market participant issue selection system and method

2. 8209255 - Market participant issue selection system and method

3. 7809629 - Market participant issue selection system and method

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as of
1/18/2026
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