Growing community of inventors

Alton, IL, United States of America

Robert D LaMarsh

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 = 12

Robert D LaMarsh ↔ John Weiss (1 patent)Robert D LaMarshRobert D LaMarsh (1 patent)John WeissJohn Weiss (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Perfection Manufacturing Company (1 from 12 patents)


1 patent:

1. D280227 - Exercise cycle

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12/19/2025
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