3301221

Information

• Patent Grant
• 3301221

• References
• Source

• Patent Number

  3,301,221

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1967
  58 years ago

• CPC

  • B43K24/163 - with one push-button for each writing unit

• US Classifications

  • 401 - Coating implements with material supply