Growing community of inventors

Sugarland, TX, United States of America

Donald W Long

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 = 496

Donald W LongCharles D Hultgren (1 patent)Donald W LongDonald W Long (1 patent)Charles D HultgrenCharles D Hultgren (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Texas Microsystems, Inc. (1 from 9 patents)


1 patent:

1. 5325519 - Fault tolerant computer with archival rollback capabilities

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as of
12/11/2025
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