1933092

Information

• Patent Grant
• 1933092

• References
• Source

• Patent Number

  1,933,092

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1933
  91 years ago

• CPC

  • E02B7/14 - Buttress dams

• US Classifications

  • 405 - Hydraulic and earth engineering