3878371

Information

• Patent Grant
• 3878371

• References
• Source

• Patent Number

  3,878,371

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  50 years ago

• CPC

  • G07C3/12 - in graphical form

• US Classifications

  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 324 - Electricity: measuring and testing