1827640

Information

• Patent Grant
• 1827640

• References
• Source

• Patent Number

  1,827,640

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1931
  93 years ago

• CPC

  • D21H23/54 - Rubbing devices
  • D21H5/0027 - by a rubbing device

• US Classifications

  • 118 - Coating apparatus