1969773

Information

• Patent Grant
• 1969773

• References
• Source

• Patent Number

  1,969,773

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1934
  90 years ago

• CPC

  • B41J13/054 - on the paper apron concentric with the roller platen

• US Classifications

  • 400 - Typewriting machines