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Colorado Springs, CO, United States of America

David R Sandel

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 11

David R SandelAlexander G Narinsky (1 patent)David R SandelManoj V Paul (1 patent)David R SandelDavid R Sandel (2 patents)Alexander G NarinskyAlexander G Narinsky (1 patent)Manoj V PaulManoj V Paul (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Worldcom, Inc. (2 from 132 patents)


2 patents:

1. 6771758 - Reconciling database information among service providers

2. 6665391 - Auditing of charges in an integrated prevalidation and ordering system

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as of
12/31/2025
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