Growing community of inventors

Houston, TX, United States of America

Charles I Allen

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 = 8

Charles I AllenPamela C Murrin (2 patents)Charles I AllenCharles I Allen (2 patents)Pamela C MurrinPamela C Murrin (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. S & B Technical Products, Inc. (2 from 72 patents)


2 patents:

1. 11746552 - Cap assembly for a t-post right of way line marker

2. 6286450 - Cap assembly for right of way line marker

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as of
12/18/2025
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