Growing community of inventors

Brooklyn, MI, United States of America

Rick A Lappin

Average Co-Inventor Count = 2.00

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 = 32

Rick A Lappin ↔ Robert W Werner (2 patents)Rick A LappinRick A Lappin (2 patents)Robert W WernerRobert W Werner (9 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Certainteed Corporation (2 from 936 patents)


2 patents:

1. D427893 - Clip for mitered siding accessories

2. 5875602 - Clip for mitered siding accessories

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as of
1/3/2026
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