1980837

Information

• Patent Grant
• 1980837

• References
• Source

• Patent Number

  1,980,837

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1934
  90 years ago

• CPC

  • B02B3/02 - by means of discs

• US Classifications

  • 099 - Foods and beverages: apparatus