2794971

Information

• Patent Grant
• 2794971

• References
• Source

• Patent Number

  2,794,971

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1957
  67 years ago

• CPC

  • G08C19/06 - using variable inductance

• US Classifications

  • 340 - Communications: electrical
  • 073 - Measuring and testing
  • 318 - Electricity: motive power systems
  • 346 - Recorders