2687691

Information

• Patent Grant
• 2687691

• References
• Source

• Patent Number

  2,687,691

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1954
  70 years ago

• CPC

  • G06M1/363 - with drums

• US Classifications

  • 101 - Printing
  • 235 - Registers