3785074

Information

• Patent Grant
• 3785074

• References
• Source

• Patent Number

  3,785,074

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1974
  50 years ago

• CPC

  • G09D3/08 - of disc form

• US Classifications

  • 040 - Card, picture, or sign exhibiting