3237993

Information

• Patent Grant
• 3237993

• References
• Source

• Patent Number

  3,237,993

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1966
  59 years ago

• CPC

  • E21F5/10 - Devices for rock dusting

• US Classifications

  • 406 - Conveyors: fluid current