3674988

Information

• Patent Grant
• 3674988

• References
• Source

• Patent Number

  3,674,988

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1972
  52 years ago

• CPC

  • G06K13/05 - Capstans Pinch rollers
  • G06F7/06 - Arrangements for sorting, selecting, merging or comparing data on individual record carriers

• US Classifications

  • 710 - Electrical computers and digital data processing systems: input/output