1097974

Information

• Patent Grant
• 1097974

• References
• Source

• Patent Number

  1,097,974

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1914
  110 years ago

• CPC

  • H01C8/02 - Coherers or like imperfect resistors for detecting electromagnetic waves

• US Classifications

  • 178 - Telegraphy