Growing community of inventors

Alton, IL, United States of America

Robert D La Marsh

Average Co-Inventor Count = 2.00

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 = 30

Robert D La MarshJohn Weiss (1 patent)Robert D La MarshRobert D La Marsh (1 patent)John WeissJohn Weiss (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Allegheny International Exercise Co. (1 from 8 patents)


1 patent:

1. 4602781 - Dual action exercise cycle

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as of
12/19/2025
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