643988

Information

• Patent Grant
• 643988

• References
• Source

• Patent Number

  643,988

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1900
  125 years ago

• CPC

  • A01B51/023 - of the Gantry-type

• US Classifications

  • 212 - Traversing hoists
  • 104 - Railways