2770995

Information

• Patent Grant
• 2770995

• References
• Source

• Patent Number

  2,770,995

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1956
  68 years ago

• CPC

  • G10H3/10 - using capacitative pick-up means

• US Classifications

  • 084 - Music
  • 361 - Electricity: electrical systems and devices
  • 984 - Musical instruments