Assignee
No assignee recorded.
Inventors
- Barry R. Robbins (15 patents)
- William Stensrud (3 patents)
- Unknown
{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Extension of a local area phone system to a wide area network", "item": "https://www.patentleaderboard.com/patent/7826868"}]}
Skip to contentUS Patent 7826868 · Granted Nov 2, 2010
No assignee recorded.