1142202

Information

• Patent Grant
• 1142202

• References
• Source

• Patent Number

  1,142,202

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1915
  109 years ago

• CPC

  • B21D39/12 - with rollers for expanding and flanging

• US Classifications

  • 072 - Metal deforming