3578904

Information

• Patent Grant
• 3578904

• References
• Source

• Patent Number

  3,578,904

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1971
  53 years ago

• CPC

  • G06M11/04 - with provision for distinguishing between different sizes of objects

• US Classifications

  • 348 - Television
  • 356 - Optics: measuring and testing