1699205

Information

• Patent Grant
• 1699205

• References
• Source

• Patent Number

  1,699,205

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1929
  96 years ago

• CPC

  • B22F1/0048 - Spherical powder
  • Y10T29/49714 - Hollow ball

• US Classifications

  • 419 - Powder metallurgy processes
  • 029 - Metal working