8289

Information

• Patent Grant
• 8289

• References
• Source

• Patent Number

  8,289

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1851
  173 years ago

• CPC

  • B21G3/30 - by rolling

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus