429079

Information

• Patent Grant
• 429079

• References
• Source

• Patent Number

  429,079

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1890
  134 years ago

• CPC

  • G11B3/66 - Erasing information
  • Y10S264/66 - Processes of reshaping and reforming

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes