2806900

Information

• Patent Grant
• 2806900

• References
• Source

• Patent Number

  2,806,900

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1957
  66 years ago

• CPC

  • H03J5/248 - using electromechanical means

• US Classifications

  • 348 - Television
  • 455 - Telecommunications