Growing community of inventors

Ludlow, MA, United States of America

Daniel R Hamel

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 24

Daniel R HamelDennis Bernal (4 patents)Daniel R HamelDavid Michael Nugent (1 patent)Daniel R HamelDavid Baird (1 patent)Daniel R HamelDaniel R Hamel (6 patents)Dennis BernalDennis Bernal (17 patents)David Michael NugentDavid Michael Nugent (32 patents)David BairdDavid Baird (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hasbro, Inc. (6 from 496 patents)


6 patents:

1. D995647 - Toy dart

2. D988418 - Toy dart

3. D904525 - Toy dart

4. D904526 - Toy dart

5. 10758833 - Toy car launcher apparatus

6. 8997727 - Projectile shooter toy

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as of
12/20/2025
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