Growing community of inventors

Northfield, MA, United States of America

David Sprague

Average Co-Inventor Count = 3.00

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

David SpragueBrian Leduc (1 patent)David SpragueTheodore Lynds (1 patent)David SpragueDavid Sprague (1 patent)Brian LeducBrian Leduc (2 patents)Theodore LyndsTheodore Lynds (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hardigg Industries, Inc. (1 from 44 patents)


1 patent:

1. 7762750 - Removable rack mount frame

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as of
12/17/2025
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