2391912

Information

• Patent Grant
• 2391912

• References
• Source

• Patent Number

  2,391,912

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1946
  78 years ago

• CPC

  • H04L15/30 - Writing recorders

• US Classifications

  • 347 - Incremental printing of symbolic information
  • 346 - Recorders