3766778

Information

• Patent Grant
• 3766778

• References
• Source

• Patent Number

  3,766,778

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1973
  51 years ago

• CPC

  • F41J5/16 - Manually evaluating scores
  • F41J5/02 - Photo-electric hit-detector systems

• US Classifications

  • 073 - Measuring and testing
  • 250 - Radiant energy