1993284

Information

• Patent Grant
• 1993284

• References
• Source

• Patent Number

  1,993,284

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1935
  89 years ago

• CPC

  • B41F31/025 - Ducts formed between two rollers

• US Classifications

  • 101 - Printing
  • 118 - Coating apparatus