2348158

Information

• Patent Grant
• 2348158

• References
• Source

• Patent Number

  2,348,158

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1944
  81 years ago

• CPC

  • G08B9/04 - Means for recording operation of the apparatus

• US Classifications

  • 346 - Recorders