2770673

Information

• Patent Grant
• 2770673

• References
• Source

• Patent Number

  2,770,673

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1956
  68 years ago

• CPC

  • H04N9/647 - I.F amplifiers

• US Classifications

  • 348 - Television
  • 455 - Telecommunications