1888891

Information

• Patent Grant
• 1888891

• References
• Source

• Patent Number

  1,888,891

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1932
  92 years ago

• CPC

  • B21D9/14 - Wrinkle-bending
  • Y10T29/49444 - Elbow or L-shaped fitting making

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working