3899771

Information

• Patent Grant
• 3899771

• References
• Source

• Patent Number

  3,899,771

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1975
  49 years ago

• CPC

  • G06K9/481 - using vector-coding
  • C08G18/3887 - Phosphite compounds
  • G06K2209/01 - Character recognition

• US Classifications

  • 382 - Image analysis