Assignee
Inventors
- Guenter W. Brune (109 patents)
- John E. Mercer (274 patents)
{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Tone detection apparatus and method", "item": "https://www.patentleaderboard.com/patent/9513397"}]}
Skip to contentUS Patent 9513397 · Granted Dec 6, 2016