Growing community of inventors

Decatur, GA, United States of America

Edward F Leftwich

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 = 49

Edward F Leftwich ↔ Peter H Hand (1 patent)Edward F Leftwich ↔ Lyle R Irwin (1 patent)Edward F LeftwichEdward F Leftwich (1 patent)Peter H HandPeter H Hand (5 patents)Lyle R IrwinLyle R Irwin (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sports Step, Inc. (1 from 4 patents)


1 patent:

1. 5158512 - Adjustable stepping structure for aerobic exercises

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