Growing community of inventors

Montesano, WA, United States of America

David A Black

Average Co-Inventor Count = 1.33

ph-index = 2

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 = 17

David A Black ↔ James Blubaugh (1 patent)David A BlackDavid A Black (2 patents)James BlubaughJames Blubaugh (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Racing Strollers, Inc. (2 from 27 patents)


2 patents:

1. 6443467 - Baby stroller with interchangeable front wheel support structures

2. D445367 - Baby stroller forward frame

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as of
1/3/2026
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