3696720

Information

• Patent Grant
• 3696720

• References
• Source

• Patent Number

  3,696,720

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1972
  52 years ago

• CPC

  • G01R13/204 - Using means for generating permanent registrations
  • G03B15/003 - Apparatus for photographing CRT-screens

• US Classifications

  • 396 - Photography
  • 250 - Radiant energy
  • 355 - Photocopying