Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Buried control signal recording systems and method

Buried control signal recording systems and method

US Patent 4313140 · Granted Jan 26, 1982

Estimated economic value: $10,360,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and phase redundant regulator apparatus for implementing redundancy at a 2004
Controlled low impedance high current circuit board interconnect2001
Battery charging method and apparatus using current control1997
Metal substrate double sided circuit board1995
Magnetic disk-control track read through envelope1984
Closed loop stepper motor circuitry without encoder1981