Growing community of inventors

Mauldin, SC, United States of America

David Andrew Hannah

Average Co-Inventor Count = 5.00

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 = 0

David Andrew Hannah ↔ Jeffrey Paul Broadrick (2 patents)David Andrew Hannah ↔ William C Cleveland (2 patents)David Andrew Hannah ↔ John Frederick Bruner (2 patents)David Andrew Hannah ↔ Lee Ellis Jarrell, Jr (2 patents)David Andrew HannahDavid Andrew Hannah (2 patents)Jeffrey Paul BroadrickJeffrey Paul Broadrick (20 patents)William C ClevelandWilliam C Cleveland (10 patents)John Frederick BrunerJohn Frederick Bruner (2 patents)Lee Ellis Jarrell, JrLee Ellis Jarrell, Jr (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Prosist Sports Equipment Co., LLC (2 from 2 patents)


2 patents:

1. 11850493 - Ball tossing machine

2. 11433288 - Ball tossing machine

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12/8/2025
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