817892

Information

• Patent Grant
• 817892

• References
• Source

• Patent Number

  817,892

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1906
  118 years ago

• CPC

  • G04C13/0463 - Arrangements for generating normal driving pulses

• US Classifications

  • 368 - Horology: time measuring systems or devices