3725899

Information

• Patent Grant
• 3725899

• References
• Source

• Patent Number

  3,725,899

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  51 years ago

• CPC

  • G02F1/1358 - the supplementary layer being a ferro-electric layer

• US Classifications

  • 345 - Computer graphics processing and selective visual display systems
  • 349 - Liquid crystal cells, elements and systems