Growing community of inventors

Waynesboro, VA, United States of America

Ward L Karns

Average Co-Inventor Count = 1.20

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 = 25

Ward L KarnsJames L Harlow (1 patent)Ward L KarnsWard L Karns (3 patents)James L HarlowJames L Harlow (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. General Electric Company (2 from 51,901 patents)

2. Genicom Corp. (1 from 45 patents)


3 patents:

1. 4743133 - Inked ribbon cartridge

2. 4630948 - Inked ribbon cartridge

3. 4250513 - Linear vertical adjustment mechanism

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as of
12/20/2025
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