2893001

Information

• Patent Grant
• 2893001

• References
• Source

• Patent Number

  2,893,001

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1959
  67 years ago

• CPC

  • G10K1/0645 - provided with loudness adjustment

• US Classifications

  • 340 - Communications: electrical
  • 310 - Electrical generator or motor structure