2478697

Information

• Patent Grant
• 2478697

• References
• Source

• Patent Number

  2,478,697

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1949
  76 years ago

• CPC

  • A63J15/00 - Peep-shows

• US Classifications

  • 352 - Optics: motion pictures