3911707

Information

• Patent Grant
• 3911707

• References
• Source

• Patent Number

  3,911,707

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  50 years ago

• CPC

  • B21D39/14 - with balls
  • B24B39/023 - the working tool being composed of a plurality of working rolls or balls

• US Classifications

  • 072 - Metal deforming