Growing community of inventors

Grosse Pointe, MI, United States of America

D Michael Ledyard

Average Co-Inventor Count = 2.86

ph-index = 2

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 = 13

D Michael LedyardDaniel J Cooney (2 patents)D Michael LedyardVictor G Reiling (1 patent)D Michael LedyardBrian L Dean (1 patent)D Michael LedyardJohn W Brady (1 patent)D Michael LedyardD Michael Ledyard (2 patents)Daniel J CooneyDaniel J Cooney (5 patents)Victor G ReilingVictor G Reiling (5 patents)Brian L DeanBrian L Dean (2 patents)John W BradyJohn W Brady (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lionel Trains, Inc. (2 from 7 patents)


2 patents:

1. 4906215 - Toy combination of toy article and toy attachments

2. 4771943 - Train track and track bed assembly

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as of
12/20/2025
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