Growing community of inventors

Omaha, NE, United States of America

David Sempek

Average Co-Inventor Count = 1.00

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 = 49

David SempekDavid Sempek (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Isecuretrac Corp. Inc. (1 from 2 patents)


1 patent:

1. 7636047 - Apparatus for monitoring a mobile object including a partitionable strap

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as of
1/14/2026
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