Growing community of inventors

Independence, MO, United States of America

Leonard Thompson

Average Co-Inventor Count = 2.00

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

Leonard Thompson ↔ Robert E Langley (1 patent)Leonard ThompsonLeonard Thompson (1 patent)Robert E LangleyRobert E Langley (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hallmark Cards, Inc. (1 from 233 patents)


1 patent:

1. D629676 - Multi-level display hook

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as of
12/21/2025
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