3848520

Information

• Patent Grant
• 3848520

• References
• Source

• Patent Number

  3,848,520

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1974
  50 years ago

• CPC

  • G03B15/00 - Special procedures for taking photographs Apparatus therefor
  • G06K15/225 - using optical plotters

• US Classifications

  • 396 - Photography