1807609

Information

• Patent Grant
• 1807609

• References
• Source

• Patent Number

  1,807,609

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1931
  93 years ago

• CPC

  • H01M2/1693 - Wood

• US Classifications

  • 429 - Chemistry: electrical current producing apparatus, product, and process