Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Vandal-resistant call box

Vandal-resistant call box

US Patent 5283546 · Granted Feb 1, 1994

Estimated economic value: $18,185,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Event driven programmer logic controller processor arrangement with buffered inp1998
Method of operating a communication system1997
R.F. communication system interrogation apparatus and method1995