1193999

Information

• Patent Grant
• 1193999

• References
• Source

• Patent Number

  1,193,999

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1916
  108 years ago

• CPC

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

• US Classifications

  • 398 - Optical communications
  • 178 - Telegraphy
  • 250 - Radiant energy
  • 359 - Optical: systems and elements
  • 362 - Illumination