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Los Angeles, CA, United States of America

Berrigan August Romig Lennon

Average Co-Inventor Count = 1.11

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 = 13

Berrigan August Romig LennonAndrey Cherednichenko (1 patent)Berrigan August Romig LennonBerrigan August Romig Lennon (5 patents)Andrey CherednichenkoAndrey Cherednichenko (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mattel, Inc. (5 from 1,702 patents)


5 patents:

1. 10213702 - Toy racetrack with moveable loop portion

2. 9707490 - Convertible toy vehicle playset

3. 9707488 - Toy vehicle, launching apparatus therefor and methods of using the same

4. 9114323 - Toy vehicle track set

5. 8926396 - Flywheel motor and gyroscopic clutch

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as of
12/19/2025
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