3889164

Information

• Patent Grant
• 3889164

• References
• Source

• Patent Number

  3,889,164

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1975
  49 years ago

• CPC

  • G05D3/183 - using stepping motor

• US Classifications

  • 318 - Electricity: motive power systems
  • 356 - Optics: measuring and testing