2643822

Information

• Patent Grant
• 2643822

• References
• Source

• Patent Number

  2,643,822

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1953
  70 years ago

• CPC

  • G06C15/08 - Multiplying or dividing devices Devices for computing the exponent or root
  • G06C19/02 - Devices for indicating the point

• US Classifications

  • 235 - Registers
  • 359 - Optical: systems and elements