Growing community of inventors

Apollo, PA, United States of America

Dave Knowles

Average Co-Inventor Count = 7.00

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 = 4

Dave Knowles ↔ Linda K Anderson (1 patent)Dave Knowles ↔ Feng Wang (1 patent)Dave Knowles ↔ Elizabeth Ann Zezinka (1 patent)Dave Knowles ↔ Michael Frank Haley (1 patent)Dave Knowles ↔ Stephen Robinson (1 patent)Dave Knowles ↔ Anthony Thomas Gestrich (1 patent)Dave Knowles ↔ Elizabeth A Zezinka (1 patent)Dave Knowles ↔ Feng Wang (1 patent)Dave KnowlesDave Knowles (1 patent)Linda K AndersonLinda K Anderson (23 patents)Feng WangFeng Wang (11 patents)Elizabeth Ann ZezinkaElizabeth Ann Zezinka (11 patents)Michael Frank HaleyMichael Frank Haley (5 patents)Stephen RobinsonStephen Robinson (4 patents)Anthony Thomas GestrichAnthony Thomas Gestrich (4 patents)Elizabeth A ZezinkaElizabeth A Zezinka (1 patent)Feng WangFeng Wang (31 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Transitions Optical, Inc. (1 from 216 patents)


1 patent:

1. 10954397 - Curable photochromic compositions

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as of
12/25/2025
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