2138172

Information

• Patent Grant
• 2138172

• References
• Source

• Patent Number

  2,138,172

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1938
  86 years ago

• CPC

  • B28C7/0481 - Plant for proportioning, supplying or batching

• US Classifications

  • 366 - Agitating