1907311

Information

• Patent Grant
• 1907311

• References
• Source

• Patent Number

  1,907,311

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1933
  91 years ago

• CPC

  • B21C1/06 - in which the material slips on the drums

• US Classifications

  • 072 - Metal deforming