3474181

Information

• Patent Grant
• 3474181

• References
• Source

• Patent Number

  3,474,181

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1969
  55 years ago

• CPC

  • G10H1/045 - by electromechanical means
  • H03H7/20 - Two-port phase shifters providing an adjustable phase shift

• US Classifications

  • 084 - Music
  • 331 - Oscillators
  • 333 - Wave transmission lines and networks
  • 984 - Musical instruments