Growing community of inventors

Boulder, CO, United States of America

Donna Kelleen Darnell

Average Co-Inventor Count = 3.00

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 = 5

Donna Kelleen Darnell ↔ Charles L Welch (1 patent)Donna Kelleen Darnell ↔ Kenneth R Friedland (1 patent)Donna Kelleen Darnell ↔ Charles Leroy Welch (1 patent)Donna Kelleen DarnellDonna Kelleen Darnell (1 patent)Charles L WelchCharles L Welch (3 patents)Kenneth R FriedlandKenneth R Friedland (2 patents)Charles Leroy WelchCharles Leroy Welch (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Construction Technology, Inc. (1 from 11 patents)


1 patent:

1. 6988866 - Fork lift attachment for multi-purpose bucket

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as of
12/19/2025
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