Growing community of inventors

Pittsburgh, PA, United States of America

Gerald R Petrey

Average Co-Inventor Count = 6.00

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 = 13

Gerald R Petrey ↔ Douglas A Granger (3 patents)Gerald R Petrey ↔ Elwin L Rooy (3 patents)Gerald R Petrey ↔ James R Weaver (3 patents)Gerald R Petrey ↔ Raymond T Richter (3 patents)Gerald R Petrey ↔ H Gray Reavis, Jr (2 patents)Gerald R Petrey ↔ H Gray Reravis, Jr (1 patent)Gerald R PetreyGerald R Petrey (3 patents)Douglas A GrangerDouglas A Granger (7 patents)Elwin L RooyElwin L Rooy (5 patents)James R WeaverJames R Weaver (4 patents)Raymond T RichterRaymond T Richter (3 patents)H Gray Reavis, JrH Gray Reavis, Jr (3 patents)H Gray Reravis, JrH Gray Reravis, Jr (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aluminum Company of America (3 from 1,321 patents)


3 patents:

1. 5186767 - Lithoplate and method for making same

2. 4902353 - Method for making lithoplate

3. 4818300 - Method for making lithoplate

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idiyas.com
as of
12/21/2025
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