1456595

Information

• Patent Grant
• 1456595

• References
• Source

• Patent Number

  1,456,595

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1923
  101 years ago

• CPC

  • H04L13/184 - Photographic printing and recording

• US Classifications

  • 178 - Telegraphy
  • 346 - Recorders
  • 369 - Dynamic information storage or retrieval