1790039

Information

• Patent Grant
• 1790039

• References
• Source

• Patent Number

  1,790,039

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1931
  94 years ago

• CPC

  • E01B27/14 - Manual tools or hand-held power tools therefor

• US Classifications

  • 104 - Railways