3797390

Information

• Patent Grant
• 3797390

• References
• Source

• Patent Number

  3,797,390

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  50 years ago

• CPC

  • B41K3/56 - using inking pads
  • B41F31/24 - Absorbent pads

• US Classifications

  • 101 - Printing