2819545

Information

• Patent Grant
• 2819545

• References
• Source

• Patent Number

  2,819,545

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1958
  67 years ago

• CPC

  • G09F21/046 - using the shaking brought about by the locomotion of the vehicle

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 310 - Electrical generator or motor structure