Growing community of inventors

Cumberland, RI, United States of America

Donald La Vange

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 = 95

Donald La VangeDonald La Vange (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Polytop Corporation (3 from 38 patents)


3 patents:

1. 4903870 - Dispensing closure

2. 4776475 - Child resistant dispensing closure

3. 4718567 - Child resistant dispensing closure

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idiyas.com
as of
12/11/2025
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