3609205

Information

• Patent Grant
• 3609205

• References
• Source

• Patent Number

  3,609,205

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1971
  53 years ago

• CPC

  • G10H1/043 - Continuous modulation
  • Y10S84/19 - Light sensitive resistor

• US Classifications

  • 084 - Music
  • 984 - Musical instruments