3469554

Information

• Patent Grant
• 3469554

• References
• Source

• Patent Number

  3,469,554

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1969
  55 years ago

• CPC

  • B63B35/7906 - Construction or shape of the boards
  • B63H19/04 - propelled by water current

• US Classifications

  • 440 - Marine propulsion