933899

Information

• Patent Grant
• 933899

• References
• Source

• Patent Number

  933,899

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1909
  115 years ago

• CPC

  • G04C13/12 - by continuously-rotating electric motors

• US Classifications

  • 368 - Horology: time measuring systems or devices