3029921

Information

• Patent Grant
• 3029921

• References
• Source

• Patent Number

  3,029,921

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1962
  62 years ago

• CPC

  • B41J7/62 - Gearing

• US Classifications

  • 400 - Typewriting machines
  • 101 - Printing