Growing community of inventors

Midland, MI, United States of America

Joan McMahon

Average Co-Inventor Count = 2.25

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

Joan McMahonJohn Donald Blizzard (2 patents)Joan McMahonMichael E Silver (1 patent)Joan McMahonStephanie House (1 patent)Joan McMahonJoan McMahon (3 patents)John Donald BlizzardJohn Donald Blizzard (51 patents)Michael E SilverMichael E Silver (79 patents)Stephanie HouseStephanie House (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Quadsil, Inc. (2 from 4 patents)

2. Other (1 from 832,966 patents)


3 patents:

1. 11559715 - Antifreeze compositions

2. 10897895 - Thermoplastic materials having beneficial properties and processes for providing the same

3. 10206963 - Topical medicinal gel

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as of
1/18/2026
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