2188748

Information

• Patent Grant
• 2188748

• References
• Source

• Patent Number

  2,188,748

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1940
  85 years ago

• CPC

  • G06C15/42 - Devices for resetting to zero or other datum
  • G06M1/343 - with drums

• US Classifications

  • 235 - Registers