Growing community of inventors

St. Louis, MO, United States of America

Donald J Fedorko

Average Co-Inventor Count = 1.85

ph-index = 3

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 = 39

Donald J FedorkoWilliam H Lach (3 patents)Donald J FedorkoHeath Alan Doty (2 patents)Donald J FedorkoElizabeth Bernice Wellman (1 patent)Donald J FedorkoTimothy Michael Stiefferman (1 patent)Donald J FedorkoHealth A Doty (1 patent)Donald J FedorkoLaunius Glen Wellman (1 patent)Donald J FedorkoDonald J Fedorko (6 patents)William H LachWilliam H Lach (3 patents)Heath Alan DotyHeath Alan Doty (4 patents)Elizabeth Bernice WellmanElizabeth Bernice Wellman (1 patent)Timothy Michael StieffermanTimothy Michael Stiefferman (1 patent)Health A DotyHealth A Doty (1 patent)Launius Glen WellmanLaunius Glen Wellman (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (2 from 832,718 patents)

2. Thumbs Up Designs, LLC (1 from 1 patent)

3. Thumps-up, Inc. (1 from 1 patent)

4. Thumbs-up, Inc. (1 from 1 patent)

5. Eleos Group, LLC (1 from 1 patent)


6 patents:

1. 11896504 - Prosthetic with interchangeable liner pads

2. 11596244 - Modular display case

3. 11058233 - Modular display case

4. 9930943 - Device for retaining a portable electronic component

5. 9210977 - Device for retaining a portable electric component

6. 8490789 - Device for retaining a portable electronic component

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as of
12/13/2025
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