341213

Information

• Patent Grant
• 341213

• References
• Source

• Patent Number

  341,213

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1886
  138 years ago

• CPC

  • H04B10/30 - Transmission systems employing beams of corpuscular radiation

• US Classifications

  • 398 - Optical communications
  • 359 - Optical: systems and elements
  • 369 - Dynamic information storage or retrieval