Growing community of inventors

Chester, VA, United States of America

Robert D Long

Average Co-Inventor Count = 6.00

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

Robert D Long ↔ Bennett Ward (1 patent)Robert D Long ↔ Jackie F Payne, Jr (1 patent)Robert D Long ↔ Raymond J Nelson (1 patent)Robert D Long ↔ Donald F Nelson (1 patent)Robert D Long ↔ E Vaughan Yancey (1 patent)Robert D LongRobert D Long (1 patent)Bennett WardBennett Ward (13 patents)Jackie F Payne, JrJackie F Payne, Jr (2 patents)Raymond J NelsonRaymond J Nelson (2 patents)Donald F NelsonDonald F Nelson (1 patent)E Vaughan YanceyE Vaughan Yancey (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Filtrona Richmond, Inc. (1 from 10 patents)


1 patent:

1. 6840692 - Method and apparatus for making NIBS and ink reservoirs for writing and marking instruments and the resultant products

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as of
12/20/2025
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