3878516

Information

• Patent Grant
• 3878516

• References
• Source

• Patent Number

  3,878,516

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  50 years ago

• CPC

  • G07C1/06 - with apparatus adapted for use with individual cards

• US Classifications

  • 346 - Recorders