1697774

Information

• Patent Grant
• 1697774

• References
• Source

• Patent Number

  1,697,774

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1929
  96 years ago

• CPC

  • B63B35/62 - formed from logs or the like

• US Classifications

  • 405 - Hydraulic and earth engineering