1799374

Information

• Patent Grant
• 1799374

• References
• Source

• Patent Number

  1,799,374

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1931
  93 years ago

• CPC

  • B41L47/06 - of flat or curved stencils

• US Classifications

  • 269 - Work holders
  • 101 - Printing
  • D19 - Office supplies