1968369

Information

• Patent Grant
• 1968369

• References
• Source

• Patent Number

  1,968,369

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1934
  90 years ago

• CPC

  • F21L23/00 - Non-electric hand-lamps for miners

• US Classifications

  • 002 - Apparel
  • 362 - Illumination