2165237

Information

• Patent Grant
• 2165237

• References
• Source

• Patent Number

  2,165,237

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1939
  85 years ago

• CPC

  • H04L25/42 - using mechanical distributors

• US Classifications

  • 178 - Telegraphy
  • 234 - Selective cutting