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El Paso, TX, United States of America

John C Polonchak

Average Co-Inventor Count = 3.00

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 = 29

John C Polonchak ↔ Robert A Sherwood (1 patent)John C Polonchak ↔ William Levy (1 patent)John C PolonchakJohn C Polonchak (1 patent)Robert A SherwoodRobert A Sherwood (25 patents)William LevyWilliam Levy (11 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Holmes Group, Inc. (1 from 83 patents)


1 patent:

1. 6204623 - Heater, humidifier or fan including a circuit for controlling the output thereof

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12/8/2025
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