3491194

Information

• Patent Grant
• 3491194

• References
• Source

• Patent Number

  3,491,194

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • G09B19/18 - Book-keeping or economics
  • G06G7/52 - for economic systems for statistics

• US Classifications

  • 434 - Education and demonstration
  • 703 - Data processing: structural design, modeling, simulation, and emulation