1846112

Information

• Patent Grant
• 1846112

• References
• Source

• Patent Number

  1,846,112

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1932
  92 years ago

• CPC

  • G09F15/0081 - Rotating pillars

• US Classifications

  • 040 - Card, picture, or sign exhibiting