Growing community of inventors

Tulsa, OK, United States of America

David A Kern

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 = 7

David A KernRayford A Cockerham (1 patent)David A KernDavid A Kern (1 patent)Rayford A CockerhamRayford A Cockerham (11 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Brunswick Corporation (1 from 2,537 patents)


1 patent:

1. 6264125 - Asymmetric oscillation mechanism for a spinning reel

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12/17/2025
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