Growing community of inventors

Reading, PA, United States of America

Daniel A Keller

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 = 23

Daniel A KellerRockwood T Roberts, Iii (4 patents)Daniel A KellerDaniel A Keller (4 patents)Rockwood T Roberts, IiiRockwood T Roberts, Iii (45 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Newfrey Lcc (4 from 824 patents)


4 patents:

1. D501392 - Door handle

2. D500242 - Door handle

3. D499952 - Door handle

4. D499632 - Door handle

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as of
1/12/2026
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