Assignee
Inventors
- William Ries (3 patents)
- Gregory N. Feld (4 patents)
- Robert Vallier (1 patents)
- Eric Evenson (2 patents)
{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Hoist and drag system for mining", "item": "https://www.patentleaderboard.com/patent/8272151"}]}
Skip to contentUS Patent 8272151 · Granted Sep 25, 2012