3018332

Information

• Patent Grant
• 3018332

• References
• Source

• Patent Number

  3,018,332

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1962
  63 years ago

• CPC

  • H04L17/14 - with optical sensing means

• US Classifications

  • 178 - Telegraphy
  • 400 - Typewriting machines