{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Self-contained, portable data entry terminal", "item": "https://www.patentleaderboard.com/patent/4471218"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Self-contained, portable data entry terminal

Self-contained, portable data entry terminal

US Patent 4471218 · Granted Sep 11, 1984

Estimated economic value: $259,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Water level compensation device1992
Housing for portable data entry terminal1984
Audio data transmission device with coupling device1982