Growing community of inventors

Framingham, MA, United States of America

James 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 = 287

James SpragueBernard O Geaghan (1 patent)James SpragueStephen P Atwood (1 patent)James SpragueJames Sprague (1 patent)Bernard O GeaghanBernard O Geaghan (68 patents)Stephen P AtwoodStephen P Atwood (6 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Microtouch Systems, Inc. (1 from 19 patents)

2. Polyvision Corporation (10 patents)


1 patent:

1. 5790114 - Electronic whiteboard with multi-functional user interface

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12/29/2025
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