3668641

Information

• Patent Grant
• 3668641

• References
• Source

• Patent Number

  3,668,641

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1972
  52 years ago

• CPC

  • G09G3/10 - using gas tubes
  • G11C19/205 - with gas-filled tubes

• US Classifications

  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems