Assignee
Inventors
- Edward N. Chapman (94 patents)
- Michael P. Tompkins (7 patents)
{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Method and apparatus for automatically communicating returning status and information from a printer using electronic mail (email).", "item": "https://www.patentleaderboard.com/patent/6522421"}]}
Skip to contentUS Patent 6522421 · Granted Feb 18, 2003