Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Telephone system with ubiquitous agents

Telephone system with ubiquitous agents

US Patent 5309513 · Granted May 3, 1994

Estimated economic value: $11,801,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hot air tool for heat-shrink tubing1995
Graduated-load spring washer system for screws and threaded fasteners1990