Assignee
Inventors
- Ronald A. Schilling (1 patents)
- Harry C. Evans, III (10 patents)
{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Hydraulic door operator", "item": "https://www.patentleaderboard.com/patent/6314728"}]}
Skip to contentUS Patent 6314728 · Granted Nov 13, 2001