Assignee
Inventors
- Ruguang Liu (4 patents)
- Guochen Gao (4 patents)
- Fengkun Zhu (3 patents)
{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Traction machine assembly and elevator", "item": "https://www.patentleaderboard.com/patent/11702321"}]}
Skip to contentUS Patent 11702321 · Granted Jul 18, 2023