1444478

Information

• Patent Grant
• 1444478

• References
• Source

• Patent Number

  1,444,478

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1923
  101 years ago

• CPC

  • G06C23/02 - of main shaft
  • G06C15/18 - having multiplication table for forming partial products

• US Classifications

  • 235 - Registers