1741673

Information

• Patent Grant
• 1741673

• References
• Source

• Patent Number

  1,741,673

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1929
  95 years ago

• CPC

  • B41J25/20 - Auxiliary type mechanisms for printing distinguishing marks

• US Classifications

  • 400 - Typewriting machines