3064089

Information

• Patent Grant
• 3064089

• References
• Source

• Patent Number

  3,064,089

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1962
  62 years ago

• CPC

  • H04B11/00 - Transmission systems employing sonic, ultrasonic or infrasonic waves
  • H04M1/05 - adapted for use on head, throat, or breast
  • H04R21/021 - with granular resistance material

• US Classifications

  • 381 - Electrical audio signal processing systems and devices
  • 128 - Surgery
  • 367 - Communications, electrical: acoustic wave systems and devices