Growing community of inventors

Crown Point, IN, United States of America

David L Corey

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 = 0

David L Corey ↔ Scott M Cassidy (1 patent)David L Corey ↔ Lonnie E Moravetz (1 patent)David L Corey ↔ Robert Steiert (1 patent)David L CoreyDavid L Corey (1 patent)Scott M CassidyScott M Cassidy (4 patents)Lonnie E MoravetzLonnie E Moravetz (3 patents)Robert SteiertRobert Steiert (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Federal Signal Corporation (1 from 161 patents)


1 patent:

1. 9900705 - Tone generation

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12/27/2025
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