2821189

Information

• Patent Grant
• 2821189

• References
• Source

• Patent Number

  2,821,189

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1958
  66 years ago

• CPC

  • A61N1/3601 - of respiratory organs
  • Y10S128/07 - Servo-systems

• US Classifications

  • 601 - Surgery: kinesitherapy
  • 128 - Surgery