3168981

Information

• Patent Grant
• 3168981

• References
• Source

• Patent Number

  3,168,981

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1965
  60 years ago

• CPC

  • G06M3/065 - with drums

• US Classifications

  • 235 - Registers
  • 346 - Recorders