Assignee
Inventors
- Seungbae Lee (22 patents)
- Jin Kyu Choi (38 patents)
{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Blade configuration for a ventilation fan", "item": "https://www.patentleaderboard.com/patent/5649807"}]}
Skip to contentUS Patent 5649807 · Granted Jul 22, 1997