1557139

Information

• Patent Grant
• 1557139

• References
• Source

• Patent Number

  1,557,139

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1925
  99 years ago

• CPC

  • A01F29/18 - for protecting human beings

• US Classifications

  • 192 - Clutches and power-stop control