1997652

Information

• Patent Grant
• 1997652

• References
• Source

• Patent Number

  1,997,652

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1935
  89 years ago

• CPC

  • B41F1/10 - for multi-impression printing in one or more colours

• US Classifications

  • 101 - Printing