Assignee
Inventors
- Peter H. Berning (6 patents)
- Roger W. Phillips (130 patents)
{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Thin film optical variable article having substantial color shift with angle and method", "item": "https://www.patentleaderboard.com/patent/4705356"}]}
Skip to contentUS Patent 4705356 · Granted Nov 10, 1987