Growing community of inventors

Kensington, MD, United States of America

John L Voorhees

Average Co-Inventor Count = 1.20

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 = 30

John L Voorhees ↔ James Kemp (1 patent)John L VoorheesJohn L Voorhees (3 patents)James KempJames Kemp (31 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Productive Products Limited (2 from 2 patents)


3 patents:

1. 4840144 - Child harness

2. 4699090 - Child harness

3. D259027 - Condition indicator device or similar article

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/6/2026
Loading…