Optical article with gradient photochromism
US-9678363-B2 · Jun 13, 2017 · US
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Patent family 49263271
This patent family groups 2 related publications across US. Members often share priority claims or equivalent filings in different countries.
| Field | Value |
|---|---|
| Family ID | 49263271 |
| Family type | — |
| Earliest priority | Sep 20, 2013 |
| First filing country | US |
| Member publications | 2 |
| Countries | US |
| Representative publication | US9678363B2 — Optical article with gradient photochromism |
Representative publication
Best representative member for this family based on priority and filing country.
US9678363B2 — Optical article with gradient photochromism (published Jun 13, 2017)
Member publications
Related publications in this family.
Optical article with gradient photochromism
US-2016231594-A1 · Aug 11, 2016 · US