2639090

Information

• Patent Grant
• 2639090

• References
• Source

• Patent Number

  2,639,090

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1953
  71 years ago

• CPC

  • G06G7/44 - using continuous medium, current-sensitive paper

• US Classifications

  • 703 - Data processing: structural design, modeling, simulation, and emulation
  • 178 - Telegraphy
  • 346 - Recorders