1337811

Information

• Patent Grant
• 1337811

• References
• Source

• Patent Number

  1,337,811

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1920
  104 years ago

• CPC

  • B28B1/269 - by electrophoresis
  • C25D1/14 - of inorganic material

• US Classifications

  • 204 - Chemistry: electrical and wave energy