3767859

Information

• Patent Grant
• 3767859

• References
• Source

• Patent Number

  3,767,859

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1973
  51 years ago

• CPC

  • H04M11/027 - Annunciator systems for hospitals
  • A61B5/0002 - Remote monitoring of patients using telemetry

• US Classifications

  • 379 - Telephonic communications
  • 370 - Multiplex communications