3604816

Information

• Patent Grant
• 3604816

• References
• Source

• Patent Number

  3,604,816

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1971
  53 years ago

• CPC

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

• US Classifications

  • 401 - Coating implements with material supply