3893391

Information

• Patent Grant
• 3893391

• References
• Source

• Patent Number

  3,893,391

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • B41L47/56 - Indicating, warning, control, or safety devices
  • B41L39/16 - Programming systems for automatic control of sequence of operations

• US Classifications

  • 101 - Printing