Growing community of inventors

Portland, OR, United States of America

Angie Spring

Average Co-Inventor Count = 1.01

ph-index = 22

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 = 1,503

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

Company Filing History:

1. Sorel Corporation (83 from 131 patents)

2. Columbia Sportswear North America, Inc. (3 from 194 patents)


86 patents:

1. D1101365 - Article of footwear

2. D1013332 - Article of footwear

3. D998291 - Article of footwear

4. D906650 - Footwear

5. D883617 - Article of footwear

6. D874803 - Footwear

7. D855954 - Footwear

8. D838945 - Footwear

9. D831322 - Footwear

10. D831321 - Footwear

11. D831324 - Footwear

12. D812885 - Footwear

13. D810413 - Footwear

14. D800431 - Footwear

15. D799177 - Footwear

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1/2/2026
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