709820

Information

• Patent Grant
• 709820

• References
• Source

• Patent Number

  709,820

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1902
  122 years ago

• CPC

  • B25D11/064 - using an electromagnetic drive
  • Y10S81/12 - Power hammer

• US Classifications

  • 173 - Tool driving or impacting
  • 081 - Tools