Growing community of inventors

Pittsburgh, PA, United States of America

Frederick A Steward

Average Co-Inventor Count = 1.00

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 = 8

Frederick A Steward ↔ Mingsheng Huang (1 patent)Frederick A StewardFrederick A Steward (2 patents)Mingsheng HuangMingsheng Huang (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Heritage Environmental Services, LLC (2 from 31 patents)


2 patents:

1. 5534043 - Micronutrient supplement

2. 5451414 - Micronutrient supplement

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as of
1/1/2026
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