2158886

Information

• Patent Grant
• 2158886

• References
• Source

• Patent Number

  2,158,886

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1939
  85 years ago

• CPC

  • H05B31/0036 - for projection, copying or stage lighting

• US Classifications

  • 362 - Illumination