2150208

Information

• Patent Grant
• 2150208

• References
• Source

• Patent Number

  2,150,208

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1939
  85 years ago

• CPC

  • G06F7/461 - Adding; subtracting

• US Classifications

  • 235 - Registers
  • 073 - Measuring and testing