Growing community of inventors

Hudson, WI, United States of America

Roberta M Collins Harper

Average Co-Inventor Count = 7.00

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 = 25

Roberta M Collins Harper ↔ Larry K Stump (1 patent)Roberta M Collins Harper ↔ Dale H Haunschild (1 patent)Roberta M Collins Harper ↔ James H Harper (1 patent)Roberta M Collins Harper ↔ Warren J Johnson (1 patent)Roberta M Collins Harper ↔ Terrence W Miller (1 patent)Roberta M Collins Harper ↔ Neil A Hodson (1 patent)Roberta M Collins HarperRoberta M Collins Harper (1 patent)Larry K StumpLarry K Stump (11 patents)Dale H HaunschildDale H Haunschild (8 patents)James H HarperJames H Harper (6 patents)Warren J JohnsonWarren J Johnson (2 patents)Terrence W MillerTerrence W Miller (2 patents)Neil A HodsonNeil A Hodson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. 3m Innovative Properties Company (1 from 14,084 patents)


1 patent:

1. 5981033 - Pavement marking tape

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as of
12/30/2025
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