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Willoughby Hills, OH, United States of America

Roger J Bollen

Average Co-Inventor Count = 3.00

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 = 26

Roger J Bollen ↔ Roger H Ramsey (3 patents)Roger J Bollen ↔ William A Erdos (3 patents)Roger J BollenRoger J Bollen (3 patents)Roger H RamseyRoger H Ramsey (27 patents)William A ErdosWilliam A Erdos (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Eagle Rubber Co., Inc. (3 from 6 patents)


3 patents:

1. D265334 - Spring mounted riding toy

2. D265224 - Spring mounted riding toy

3. D265223 - Spring mounted riding toy

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as of
1/9/2026
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