Growing community of inventors

St. Louis, MO, United States of America

Charlie R Holland

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 31

Charlie R HollandMichael J Delpercio (5 patents)Charlie R HollandCharlie R Holland (5 patents)Michael J DelpercioMichael J Delpercio (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Coin Acceptors, Inc. (5 from 89 patents)


5 patents:

1. D292420 - Vending machine

2. 4620684 - Support bracket assembly

3. 4586633 - Vending machine storage rack assembly

4. 4577780 - Article-dispensing assembly for a vending machine

5. 4570821 - Article-dispensing assembly for a vending machine

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as of
12/12/2025
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