Growing community of inventors

Landisburg, PA, United States of America

Jeff Frey

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 = 38

Jeff FreyPaul LoRocco (1 patent)Jeff FreyJeff Frey (1 patent)Paul LoRoccoPaul LoRocco (32 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Truglo, Inc. (1 from 45 patents)


1 patent:

1. 8276541 - Illuminated hummingbird feeder

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as of
1/13/2026
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