754622

Information

• Patent Grant
• 754622

• References
• Source

• Patent Number

  754,622

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1904
  121 years ago

• CPC

  • G04C1/026 - having unipolar rotating armature

• US Classifications

  • 368 - Horology: time measuring systems or devices