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Orillia, CA, United States of America

David Robert Campbell

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 0

David Robert Campbell ↔ Eric Mercer (1 patent)David Robert Campbell ↔ Nina Sterlin (1 patent)David Robert CampbellDavid Robert Campbell (1 patent)Eric MercerEric Mercer (8 patents)Nina SterlinNina Sterlin (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Royal Group, Inc. (1 from 91 patents)


1 patent:

1. D727536 - Window frame profile

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12/19/2025
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