3284937

Information

• Patent Grant
• 3284937

• References
• Source

• Patent Number

  3,284,937

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1966
  58 years ago

• CPC

  • G03B23/042 - whereby the picture is not returned to the same stock after projection

• US Classifications

  • 040 - Card, picture, or sign exhibiting