2136602

Information

• Patent Grant
• 2136602

• References
• Source

• Patent Number

  2,136,602

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1938
  86 years ago

• CPC

  • H04L13/188 - Projection of the printed matter

• US Classifications

  • 353 - Optics: image projectors