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Boylston, MA, United States of America

Stephen Scheufele

Average Co-Inventor Count = 2.00

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 = 0

Stephen ScheufeleRobert Stockton Johnson (2 patents)Stephen ScheufeleStephen Scheufele (2 patents)Robert Stockton JohnsonRobert Stockton Johnson (9 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Horizon Technology, Inc. (1 from 6 patents)

2. Horizon Technologies, Inc. (1 from 6 patents)


2 patents:

1. 8313953 - Sample collection system and method

2. 8124422 - Sample collection system and method

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12/17/2025
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