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Mission Hills, KS, United States of America

Mark A Ernst

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 92

Mark A ErnstRobert D Wilson (3 patents)Mark A ErnstMark A Ernst (3 patents)Robert D WilsonRobert D Wilson (11 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. H&r Block Tax Services LLC (3 from 12 patents)


3 patents:

1. 8521625 - Tax refund system

2. 7765132 - Tax refund system

3. 7177829 - Tax refund system

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as of
12/20/2025
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