Growing community of inventors

Aurora, IL, United States of America

John A Haag

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 = 109

John A HaagWarren E Guthrie (1 patent)John A HaagRoger Brunner Williams (1 patent)John A HaagJohn A Haag (1 patent)Warren E GuthrieWarren E Guthrie (19 patents)Roger Brunner WilliamsRoger Brunner Williams (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Northrop Grumman Systems Corporation (1 from 3,385 patents)


1 patent:

1. 5512902 - Stock locator system using GPS translator

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as of
12/21/2025
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