2820885

Information

• Patent Grant
• 2820885

• References
• Source

• Patent Number

  2,820,885

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  67 years ago

• CPC

  • G12B11/02 - Scales Dials

• US Classifications

  • 362 - Illumination
  • 439 - Electrical connectors