Growing community of inventors

Pittsburgh, PA, United States of America

Frank D Jeffers

Average Co-Inventor Count = 3.00

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 = 52

Frank D JeffersRichard A Wilson (1 patent)Frank D JeffersRichard A Wilson, Jr (1 patent)Frank D JeffersJohn M Daubner (1 patent)Frank D JeffersFrank D Jeffers (1 patent)Richard A WilsonRichard A Wilson (2 patents)Richard A Wilson, JrRichard A Wilson, Jr (2 patents)John M DaubnerJohn M Daubner (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aeg Transportation Systems, Inc. (1 from 10 patents)

2. Abb Daimler-benz Transportation (3 patents)


1 patent:

1. 5463552 - Rules-based interlocking engine using virtual gates

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/15/2025
Loading…