Growing community of inventors

Powell, TN, United States of America

David Houston Vandergriff

Average Co-Inventor Count = 1.00

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 = 18

David Houston VandergriffDavid Houston Vandergriff (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Lockheed Martin Energy Systems, Inc. (1 from 89 patents)


1 patent:

1. 5943739 - Hinge assembly

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