Growing community of inventors

Los Angeles, CA, United States of America

David A Hilderbrand

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 = 6

David A Hilderbrand ↔ Melvin J Wyman (1 patent)David A HilderbrandDavid A Hilderbrand (1 patent)Melvin J WymanMelvin J Wyman (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

1 patent:

1. D334950 - Popcorn vending machine

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as of
1/8/2026
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