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Parsippany, NJ, United States of America

David P Armstrong

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 28

David P Armstrong ↔ Robert J Verdicchio (2 patents)David P Armstrong ↔ Elvin R Lukenbach (1 patent)David P ArmstrongDavid P Armstrong (2 patents)Robert J VerdicchioRobert J Verdicchio (25 patents)Elvin R LukenbachElvin R Lukenbach (34 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Johnson & Johnson Baby Products Company (2 from 83 patents)


2 patents:

1. 4265782 - Detergent composition

2. 4260550 - Modified rosin esters

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as of
12/9/2025
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