3802770

Information

• Patent Grant
• 3802770

• References
• Source

• Patent Number

  3,802,770

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  51 years ago

• CPC

  • G03B1/32 - Friction grippers or rollers
  • G03B35/24 - using apertured or refractive resolving means on screens or between screen and eye

• US Classifications

  • 352 - Optics: motion pictures