1517678

Information

• Patent Grant
• 1517678

• References
• Source

• Patent Number

  1,517,678

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1924
  100 years ago

• CPC

  • B21D9/14 - Wrinkle-bending

• US Classifications

  • 072 - Metal deforming