2219993

Information

• Patent Grant
• 2219993

• References
• Source

• Patent Number

  2,219,993

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1940
  85 years ago

• CPC

  • B21D9/14 - Wrinkle-bending

• US Classifications

  • 072 - Metal deforming