Growing community of inventors

Huntington Station, NY, United States of America

Lawrence D Richards

Average Co-Inventor Count = 1.33

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 = 15

Lawrence D RichardsJohnny S Yuen (1 patent)Lawrence D RichardsLawrence D Richards (2 patents)Johnny S YuenJohnny S Yuen (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Arco Industries Corporation (2 from 34 patents)


2 patents:

1. 4604075 - Toy helicopter with a control unit

2. D282266 - Toy play van

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as of
1/16/2026
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