{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Photochromic polyurethane coating and articles having such a coating", "item": "https://www.patentleaderboard.com/patent/6187444"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Photochromic polyurethane coating and articles having such a coating

US Patent 6187444 · Granted Feb 13, 2001

Estimated economic value: $27,872,000

Assignee

Inventors

View full patent text on Google Patents →