1038206

Information

• Patent Grant
• 1038206

• References
• Source

• Patent Number

  1,038,206

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1912
  112 years ago

• CPC

  • G08B7/02 - using mechanical transmission

• US Classifications

  • 340 - Communications: electrical
  • 084 - Music