79637

Information

• Patent Grant
• 79637

• References
• Source

• Patent Number

  79,637

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1868
  157 years ago

• CPC

  • B21D28/24 - Perforating
  • Y10T83/8851 - Adjustable mechanical advantage

• US Classifications

  • 083 - Cutting