3824990

Information

• Patent Grant
• 3824990

• References
• Source

• Patent Number

  3,824,990

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • A61B5/04365 - Playback at speeds other than the recording speed
  • A61B5/0245 - by using sensing means generating electric signals
  • A61B5/0432 - Recording apparatus specially adapted therefor

• US Classifications

  • 600 - Surgery