361678

Information

• Patent Grant
• 361678

• References
• Source

• Patent Number

  361,678

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1887
  137 years ago

• CPC

  • G07C5/12 - in graphical form
  • G01D9/20 - the recording element

• US Classifications

  • 346 - Recorders