1957817

Information

• Patent Grant
• 1957817

• References
• Source

• Patent Number

  1,957,817

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1934
  91 years ago

• CPC

  • D21H23/62 - Reverse roll coating

• US Classifications

  • 162 - Paper making and fiber liberation
  • 118 - Coating apparatus