1844950

Information

• Patent Grant
• 1844950

• References
• Source

• Patent Number

  1,844,950

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1932
  92 years ago

• CPC

  • H04L15/18 - Automatic transmitters

• US Classifications

  • 178 - Telegraphy
  • 324 - Electricity: measuring and testing
  • 330 - Amplifiers
  • 375 - Pulse or digital communications