Growing community of inventors

Greer, SC, United States of America

Douglas A Robertson

Average Co-Inventor Count = 1.00

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

Douglas A RobertsonDouglas A Robertson (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Transtech of South Carolina, Inc. (1 from 8 patents)


1 patent:

1. 8575928 - Optical sensor

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12/6/2025
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