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Ipswich, MA, United States of America

Everett E Chapman

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 = 5

Everett E ChapmanBarry N Levitt (2 patents)Everett E ChapmanThomas H Crocker (2 patents)Everett E ChapmanEverett E Chapman (2 patents)Barry N LevittBarry N Levitt (6 patents)Thomas H CrockerThomas H Crocker (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. United States of America As Represented by the Secretary of the Air Force (2 from 4,992 patents)


2 patents:

1. 3975625 - Electronic coordinate transformation using multiplier circuits

2. 3970943 - Analog-to-pulse integrating converter

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12/17/2025
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