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Hendersonville, TN, United States of America

Ronald T Zellem

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 = 57

Ronald T ZellemRobert Arthur Bruce (1 patent)Ronald T ZellemRonald T Zellem (1 patent)Robert Arthur BruceRobert Arthur Bruce (15 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Kinamed, Inc. (1 from 36 patents)


1 patent:

1. 5961519 - Burr hole cover for cranial surgery

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12/16/2025
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