Growing community of inventors

St. Louis County, MO, United States of America

Leo B Roberts

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 = 2

Leo B RobertsRonald R Klawitter (1 patent)Leo B RobertsStephen A Roberts (1 patent)Leo B RobertsLeo B Roberts (1 patent)Ronald R KlawitterRonald R Klawitter (50 patents)Stephen A RobertsStephen A Roberts (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Roberts Marketing, Inc. (1 from 1 patent)


1 patent:

1. 5347440 - Portable light

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as of
12/19/2025
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