Growing community of inventors

Ogden, UT, United States of America

Don Spencer

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 = 65

Don SpencerCarl R Stanford (1 patent)Don SpencerJacob Kearl (1 patent)Don SpencerDon Spencer (1 patent)Carl R StanfordCarl R Stanford (68 patents)Jacob KearlJacob Kearl (37 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lifetime Products, Inc. (1 from 489 patents)


1 patent:

1. 8079915 - Playground equipment

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as of
12/18/2025
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