3469135

Information

• Patent Grant
• 3469135

• References
• Source

• Patent Number

  3,469,135

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1969
  55 years ago

• CPC

  • G10H3/08 - using inductive pick-up means

• US Classifications

  • 310 - Electrical generator or motor structure
  • 084 - Music
  • 984 - Musical instruments