3376847

Information

• Patent Grant
• 3376847

• References
• Source

• Patent Number

  3,376,847

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1968
  57 years ago

• CPC

  • G10K5/00 - Whistles
  • Y10S116/18 - Wave generators

• US Classifications

  • 116 - Signals and indicators
  • 367 - Communications, electrical: acoustic wave systems and devices