Growing community of inventors

Des Moines, IA, United States of America

Ray Theodore Townsend, Jr

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 = 2

Ray Theodore Townsend, Jr ↔ Liansuo Xie (1 patent)Ray Theodore Townsend, JrRay Theodore Townsend, Jr (1 patent)Liansuo XieLiansuo Xie (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)


1 patent:

1. 6991340 - Indirect viewing device

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12/19/2025
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