3518000

Information

• Patent Grant
• 3518000

• References
• Source

• Patent Number

  3,518,000

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  54 years ago

• CPC

  • G01J1/48 - using chemical effects

• US Classifications

  • 356 - Optics: measuring and testing
  • 346 - Recorders
  • 352 - Optics: motion pictures