Growing community of inventors

White Marsh, MD, United States of America

Frederick R Middlestadt

Average Co-Inventor Count = 4.00

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 = 19

Frederick R Middlestadt ↔ Duane C Sawyer (1 patent)Frederick R Middlestadt ↔ Ryan P Davidson (1 patent)Frederick R Middlestadt ↔ Robert C Weilminster (1 patent)Frederick R MiddlestadtFrederick R Middlestadt (1 patent)Duane C SawyerDuane C Sawyer (40 patents)Ryan P DavidsonRyan P Davidson (12 patents)Robert C WeilminsterRobert C Weilminster (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Berry Plastics Corporation (1 from 277 patents)


1 patent:

1. 7303088 - Tamper-evident closure

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1/14/2026
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