Growing community of inventors

Portland, OR, United States of America

Norman J Petersen

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 = 38

Norman J PetersenWayne L Mann (1 patent)Norman J PetersenNorman J Petersen (1 patent)Wayne L MannWayne L Mann (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sprague Controls, Inc. (1 from 2 patents)


1 patent:

1. 5796344 - Imminent icing condition enunciator

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as of
12/19/2025
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