3829206

Information

• Patent Grant
• 3829206

• References
• Source

• Patent Number

  3,829,206

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  50 years ago

• CPC

  • G09B5/02 - with visual presentation of the material to be studied
  • G03B19/18 - Motion-picture cameras
  • G03B21/52 - by prepared film

• US Classifications

  • 352 - Optics: motion pictures