3728722

Information

• Patent Grant
• 3728722

• References
• Source

• Patent Number

  3,728,722

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • G06G7/52 - for economic systems for statistics

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems