1511297

Information

• Patent Grant
• 1511297

• References
• Source

• Patent Number

  1,511,297

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1924
  100 years ago

• CPC

  • B66C23/163 - where only part of the column rotates

• US Classifications

  • 212 - Traversing hoists