Growing community of inventors

North Aurora, IL, United States of America

Frederic W Prill

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 = 8

Frederic W PrillRobert E Farnham (1 patent)Frederic W PrillFrederic W Prill (1 patent)Robert E FarnhamRobert E Farnham (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Asphalt Product Technologies (1 from 3 patents)

2. Ai Enterprises, Inc. (3 patents)


1 patent:

1. 5272833 - Soil remediation apparatus and method for same

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as of
12/19/2025
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