3763987

Information

• Patent Grant
• 3763987

• References
• Source

• Patent Number

  3,763,987

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1973
  51 years ago

• CPC

  • B41J19/84 - in the form of a roller rotated for line spacing

• US Classifications

  • 400 - Typewriting machines