Growing community of inventors

Torrance, CA, United States of America

Ronald Hellenthal

Average Co-Inventor Count = 4.00

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 = 3

Ronald Hellenthal ↔ Edward B Bretschger (1 patent)Ronald Hellenthal ↔ John Birdsall (1 patent)Ronald Hellenthal ↔ Fred Adickes (1 patent)Ronald HellenthalRonald Hellenthal (1 patent)Edward B BretschgerEdward B Bretschger (9 patents)John BirdsallJohn Birdsall (2 patents)Fred AdickesFred Adickes (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Louis Marx & Co., Inc. (1 from 28 patents)


1 patent:

1. D261017 - Combined toy vehicle and steering device therefor

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as of
12/18/2025
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