Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of locking function of mobile telephone system

Method of locking function of mobile telephone system

US Patent 4945556 · Granted Jul 31, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Noise canceling method1995
Method and apparatus for monitoring sound within a vehicle by telephone1994
Method of preventing auto theft1990
Method for notifying of a call arrival1989
Method of alarm to prevent vehicle thefts1989
Method for identifying operation modes of an antitheft system1989
Error correcting and controlling system1986