1045419

Information

• Patent Grant
• 1045419

• References
• Source

• Patent Number

  1,045,419

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1912
  111 years ago

• CPC

  • H01H33/58 - Silencers for suppressing noise of switch operation

• US Classifications

  • 181 - Acoustics