1637678

Information

• Patent Grant
• 1637678

• References
• Source

• Patent Number

  1,637,678

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1927
  97 years ago

• CPC

  • B02B3/06 - by means of screws or worms
  • Y10S47/09 - Physical and chemical treatment of seeds for planting

• US Classifications

  • 099 - Foods and beverages: apparatus
  • 047 - Plant husbandry
  • 366 - Agitating