3685726

Information

• Patent Grant
• 3685726

• References
• Source

• Patent Number

  3,685,726

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1972
  52 years ago

• CPC

  • G03D13/007 - Processing control
  • G06G1/0042 - for optics, for photography

• US Classifications

  • 235 - Registers