Growing community of inventors

Beaver Dam, WI, United States of America

John Franklin Ferree

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 = 25

John Franklin FerreeMichael C Lee (1 patent)John Franklin FerreeChristopher Lee Rupiper (1 patent)John Franklin FerreeJohn Franklin Ferree (1 patent)Michael C LeeMichael C Lee (6 patents)Christopher Lee RupiperChristopher Lee Rupiper (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Deere & Company (1 from 8,524 patents)


1 patent:

1. 6886677 - Interlock of parking brake and drive control pedals for utility vehicle

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1/20/2026
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