3620427

Information

• Patent Grant
• 3620427

• References
• Source

• Patent Number

  3,620,427

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • B66C23/605 - employing ships' masts

• US Classifications

  • 212 - Traversing hoists
  • 414 - Material or article handling