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Lancaster, PA, United States of America

Ralph Warren Engstrom

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 21

Ralph Warren Engstrom ↔ Arthur F McDonie (1 patent)Ralph Warren Engstrom ↔ David Eugene Bowser (1 patent)Ralph Warren EngstromRalph Warren Engstrom (2 patents)Arthur F McDonieArthur F McDonie (14 patents)David Eugene BowserDavid Eugene Bowser (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Rca Inc. (2 from 5,349 patents)


2 patents:

1. 4196257 - Bi-alkali telluride photocathode

2. 3976875 - Photodetector filter structure

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12/19/2025
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