1681223

Information

• Patent Grant
• 1681223

• References
• Source

• Patent Number

  1,681,223

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1928
  96 years ago

• CPC

  • D01C1/04 - Bacteriological retting

• US Classifications

  • 435 - Chemistry: molecular biology and microbiology