1204977

Information

• Patent Grant
• 1204977

• References
• Source

• Patent Number

  1,204,977

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1916
  109 years ago

• CPC

  • E02D29/067 - Floating tunnels Submerged bridge-like tunnels

• US Classifications

  • 405 - Hydraulic and earth engineering