Growing community of inventors

Brigham City, UT, United States of America

L Don Berchtold

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 = 1

L Don BerchtoldRalph S Tappan (1 patent)L Don BerchtoldL Don Berchtold (1 patent)Ralph S TappanRalph S Tappan (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alliant Techsystems Inc. (1 from 492 patents)


1 patent:

1. 7958718 - Precision controlled variable thrust solid propellant rocket motor

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as of
12/18/2025
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