Growing community of inventors

Chicago, IL, United States of America

Dave Chapman

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 = 0

Dave Chapman ↔ Kurt F Mizen (1 patent)Dave ChapmanDave Chapman (1 patent)Kurt F MizenKurt F Mizen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Burgess Vibrocrafters, Inc. (1 from 4 patents)


1 patent:

1. D250657 - Sprinkler for lawns and the like

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as of
12/17/2025
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