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Chesterfield, MO, United States of America

Thomas P Speas, Jr

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 = 1

Thomas P Speas, Jr ↔ Fred Levko (1 patent)Thomas P Speas, JrThomas P Speas, Jr (1 patent)Fred LevkoFred Levko (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cooper Industries, Inc. (1 from 901 patents)


1 patent:

1. 4814627 - Cable fuse identification system

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12/18/2025
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