Growing community of inventors

New London, NH, United States of America

Ralph R Lapham

Average Co-Inventor Count = 1.00

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 = 71

Ralph R LaphamRalph R Lapham (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Uvex Winter Optical, Inc. (2 from 7 patents)


3 patents:

1. D718792 - Shovel

2. D317526 - Eyeglass carrying case

3. 4744461 - Carrying case for eyeglasses

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as of
12/26/2025
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