Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Proximity detection device for protection of personnel against exposure to hazardous radio frequency radiation

Proximity detection device for protection of personnel against exposure to hazardous radio frequency radiation

US Patent 5440290 · Granted Aug 8, 1995

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Cryptographic access and labeling system2004
Apparatus for backfilling2002
Cryptographic access and labeling system2000
Personal computer access control system1995
Secure network method and apparatus1994
Apparatus for backfilling1994