Growing community of inventors

Toronto, Canada

Stephen J Headford

Average Co-Inventor Count = 4.00

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 = 7

Stephen J Headford ↔ Ilse Treurnicht (1 patent)Stephen J Headford ↔ Tom Clarke (1 patent)Stephen J Headford ↔ Tony Redpath (1 patent)Stephen J HeadfordStephen J Headford (1 patent)Ilse TreurnichtIlse Treurnicht (2 patents)Tom ClarkeTom Clarke (1 patent)Tony RedpathTony Redpath (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Marble Vision Inc. (1 from 1 patent)


1 patent:

1. 5649874 - Transparent ball with insert, and process of manufacture thereof

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