Growing community of inventors

Portland, OR, United States of America

April A McNamara

Average Co-Inventor Count = 1.33

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 = 40

April A McNamara ↔ Angie Spring (1 patent)April A McNamaraApril A McNamara (2 patents)Angie SpringAngie Spring (86 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sorel Corporation (2 from 131 patents)


2 patents:

1. D884313 - Article of footwear

2. D761003 - Footwear

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1/6/2026
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