Growing community of inventors

Hastings, MN, United States of America

Marvin Halfen

Average Co-Inventor Count = 2.00

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 = 0

Marvin Halfen ↔ Jacqueline Johnson (4 patents)Marvin HalfenMarvin Halfen (4 patents)Jacqueline JohnsonJacqueline Johnson (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Smead Manufacturing Company (4 from 80 patents)


4 patents:

1. D1091696 - File tab

2. D1090698 - File tab

3. D1090699 - File tab

4. D1090700 - File tab

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as of
1/10/2026
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