1997743

Information

• Patent Grant
• 1997743

• References
• Source

• Patent Number

  1,997,743

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1935
  89 years ago

• CPC

  • G06M1/068 - with switching means between two or more counting devices

• US Classifications

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