1421080

Information

• Patent Grant
• 1421080

• References
• Source

• Patent Number

  1,421,080

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1922
  102 years ago

• CPC

  • A01F17/04 - Pneumatic conveyors

• US Classifications

  • 406 - Conveyors: fluid current