3388781

Information

• Patent Grant
• 3388781

• References
• Source

• Patent Number

  3,388,781

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1968
  56 years ago

• CPC

  • B41J5/107 - for special purposes

• US Classifications

  • 400 - Typewriting machines
  • 101 - Printing