Growing community of inventors

Carmel, NY, United States of America

Robert D MacDonald, Jr

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 = 26

Robert D MacDonald, JrRobert M Johnstone (1 patent)Robert D MacDonald, JrWilliam A Luca (1 patent)Robert D MacDonald, JrRobert D MacDonald, Jr (1 patent)Robert M JohnstoneRobert M Johnstone (12 patents)William A LucaWilliam A Luca (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dual-lite Manufacturing, Inc. (1 from 7 patents)


1 patent:

1. 4561203 - Opaque sign plaque with dual reflector illumination

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1/2/2026
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