2218552

Information

• Patent Grant
• 2218552

• References
• Source

• Patent Number

  2,218,552

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1940
  84 years ago

• CPC

  • G06M1/346 - with dials, pointers, or similar type indicating means

• US Classifications

  • 235 - Registers