Growing community of inventors

Garwin, IA, United States of America

Douglas B Roberts

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 = 7

Douglas B Roberts ↔ Richard Joseph Vanderah (1 patent)Douglas B Roberts ↔ David Lee Smid (1 patent)Douglas B Roberts ↔ David W Shollenbarger (1 patent)Douglas B RobertsDouglas B Roberts (1 patent)Richard Joseph VanderahRichard Joseph Vanderah (24 patents)David Lee SmidDavid Lee Smid (9 patents)David W ShollenbargerDavid W Shollenbarger (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daniel Industries, Inc. (1 from 71 patents)


1 patent:

1. 6945125 - High resolution pulse count interface

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as of
12/21/2025
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