1416635

Information

• Patent Grant
• 1416635

• References
• Source

• Patent Number

  1,416,635

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1922
  102 years ago

• CPC

  • B21K5/10 - Forming drill-bit shanks

• US Classifications

  • 072 - Metal deforming