2107142

Information

• Patent Grant
• 2107142

• References
• Source

• Patent Number

  2,107,142

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1938
  87 years ago

• CPC

  • B41J11/62 - Shields or masks

• US Classifications

  • 101 - Printing
  • 235 - Registers