Growing community of inventors

Portsmouth, NH, United States of America

Harold W Smith

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 = 7

Harold W Smith ↔ Edward D Parent (1 patent)Harold W Smith ↔ Charles F Jerabek (1 patent)Harold W SmithHarold W Smith (1 patent)Edward D ParentEdward D Parent (11 patents)Charles F JerabekCharles F Jerabek (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gte Sylvania Incorporated (1 from 605 patents)


1 patent:

1. 4089643 - Self-resistance-heated evaporation boat

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as of
12/21/2025
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