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Maitland, FL, United States of America

Fred A DeFilipps

Average Co-Inventor Count = 1.67

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 = 21

Fred A DeFilippsLarry A Nordstrom (1 patent)Fred A DeFilippsDaniel J Szechy (1 patent)Fred A DeFilippsLuther R Winters, Jr (1 patent)Fred A DeFilippsRoy O Lipper (1 patent)Fred A DeFilippsFred A DeFilipps (2 patents)Larry A NordstromLarry A Nordstrom (5 patents)Daniel J SzechyDaniel J Szechy (3 patents)Luther R Winters, JrLuther R Winters, Jr (2 patents)Roy O LipperRoy O Lipper (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Exxon Research and Engineering Company (1 from 4,227 patents)

2. Scope Data Incorporated (1 from 2 patents)


2 patents:

1. 4239404 - Paper management system for a printing device

2. 4189736 - Facsimile stylus assembly

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as of
12/12/2025
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