Growing community of inventors

Mercer Island, WA, United States of America

David Dell Lang

Average Co-Inventor Count = 1.50

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 = 3

David Dell LangGrant Howard Calverley (1 patent)David Dell LangGregory Howard Hastings (1 patent)David Dell LangDavid Dell Lang (2 patents)Grant Howard CalverleyGrant Howard Calverley (7 patents)Gregory Howard HastingsGregory Howard Hastings (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (2 from 832,843 patents)


2 patents:

1. 9523982 - Tethered gyroglider control systems

2. 6905428 - Universal croquet wicket lighting unit

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as of
12/24/2025
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