3509457

Information

• Patent Grant
• 3509457

• References
• Source

• Patent Number

  3,509,457

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1970
  54 years ago

• CPC

  • H03D3/001 - Details of arrangements applicable to more than one type of frequency demodulator

• US Classifications

  • 324 - Electricity: measuring and testing