2069780

Information

• Patent Grant
• 2069780

• References
• Source

• Patent Number

  2,069,780

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1937
  88 years ago

• CPC

  • G10H3/08 - using inductive pick-up means

• US Classifications

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