3911811

Information

• Patent Grant
• 3911811

• References
• Source

• Patent Number

  3,911,811

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • B30B15/042 - Prestressed frames

• US Classifications

  • 100 - Presses
  • 072 - Metal deforming