3920321

Information

• Patent Grant
• 3920321

• References
• Source

• Patent Number

  3,920,321

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  50 years ago

• CPC

  • G03B1/18 - moving film strip by means which act on the film between the ends thereof

• US Classifications

  • 352 - Optics: motion pictures