Growing community of inventors

Denver, CO, United States of America

Karl Denzer

Average Co-Inventor Count = 4.00

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 = 28

Karl DenzerPhillip Craig Graves (4 patents)Karl DenzerPhil M Chakiris (4 patents)Karl DenzerDustin Young (4 patents)Karl DenzerMichael Parlotto (1 patent)Karl DenzerDavid Zygmont (1 patent)Karl DenzerDavid Vielehr (1 patent)Karl DenzerKarl Denzer (5 patents)Phillip Craig GravesPhillip Craig Graves (34 patents)Phil M ChakirisPhil M Chakiris (16 patents)Dustin YoungDustin Young (4 patents)Michael ParlottoMichael Parlotto (4 patents)David ZygmontDavid Zygmont (1 patent)David VielehrDavid Vielehr (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. E2interactive, Inc. (5 from 78 patents)


5 patents:

1. 11120462 - Systems and methods for using indicia of membership as a partial authorization in a transaction

2. 8407088 - Rebate card system

3. 8190472 - Multiple use rebate card

4. 8190471 - Rebate card system

5. 7575152 - Temporary value card method and system

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as of
12/16/2025
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