1461451

Information

• Patent Grant
• 1461451

• References
• Source

• Patent Number

  1,461,451

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1923
  101 years ago

• CPC

  • E02D5/445 - by application of pyrotechniques

• US Classifications

  • 405 - Hydraulic and earth engineering