Growing community of inventors

Grand Rapids, MI, United States of America

Andrew D Engel

Average Co-Inventor Count = 1.09

ph-index = 12

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 = 833

Andrew D Engel ↔ Ian M Cobb (5 patents)Andrew D Engel ↔ Peter H Engel (1 patent)Andrew D EngelAndrew D Engel (36 patents)Ian M CobbIan M Cobb (114 patents)Peter H EngelPeter H Engel (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Wolverine Outdoors, Inc. (35 from 311 patents)

2. Other (1 from 832,718 patents)


36 patents:

1. D1102124 - Footwear upper

2. D1102123 - Footwear upper

3. D1102128 - Footwear upper

4. D1101390 - Footwear upper

5. D1097524 - Footwear upper

6. D1097507 - Footwear upper

7. D1097526 - Footwear upper

8. D1097527 - Footwear upper

9. D1090001 - Footwear upper

10. D1079231 - Footwear upper

11. D1073281 - Footwear sole

12. D1072454 - Footwear upper

13. D1068234 - Footwear sole

14. D1059785 - Footwear upper

15. D1057379 - Footwear upper

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as of
12/13/2025
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