3650206

Information

• Patent Grant
• 3650206

• References
• Source

• Patent Number

  3,650,206

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1972
  52 years ago

• CPC

  • G06C11/02 - with visual indication
  • G06C11/04 - with printing mechanisms

• US Classifications

  • 101 - Printing
  • 400 - Typewriting machines