3789353

Information

• Patent Grant
• 3789353

• References
• Source

• Patent Number

  3,789,353

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  51 years ago

• CPC

  • G01S3/8036 - derived directly from separate directional systems

• US Classifications

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