1987152

Information

• Patent Grant
• 1987152

• References
• Source

• Patent Number

  1,987,152

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1935
  90 years ago

• CPC

  • E02B3/08 - Structures of loose stones with or without piles

• US Classifications

  • 405 - Hydraulic and earth engineering