3505603

Information

• Patent Grant
• 3505603

• References
• Source

• Patent Number

  3,505,603

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1970
  54 years ago

• CPC

  • H03F1/50 - with tubes only

• US Classifications

  • 455 - Telecommunications
  • 330 - Amplifiers