2870421

Information

• Patent Grant
• 2870421

• References
• Source

• Patent Number

  2,870,421

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1959
  65 years ago

• CPC

  • H03C3/145 - by using semiconductor elements

• US Classifications

  • 333 - Wave transmission lines and networks
  • 332 - Modulators