2085447

Information

• Patent Grant
• 2085447

• References
• Source

• Patent Number

  2,085,447

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1937
  87 years ago

• CPC

  • B21D39/12 - with rollers for expanding and flanging

• US Classifications

  • 072 - Metal deforming