Growing community of inventors

Dubuque, IA, United States of America

Michael John Steffen

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 = 1

Michael John SteffenMichael John Steffen (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mi-t-m Corporation (1 from 7 patents)


1 patent:

1. 10189036 - Electric cartridge style pressure washer heater module

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as of
12/28/2025
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