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Spokane, WA, United States of America

Robert Arnold

Average Co-Inventor Count = 1.00

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 = 12

Robert ArnoldRobert Arnold (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ek Success Ltd. (2 from 18 patents)

2. Craftek Products, Inc. (1 from 1 patent)


3 patents:

1. 6826838 - Clip-on corner alignment device

2. 6560891 - Punch tool alignment device

3. 6453573 - Rubber stamp positioning device

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as of
12/18/2025
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