1890371

Information

• Patent Grant
• 1890371

• References
• Source

• Patent Number

  1,890,371

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1932
  92 years ago

• CPC

  • E01C23/203 - the marking material being applied to the surface by contact with an application tool

• US Classifications

  • 101 - Printing