2797620

Information

• Patent Grant
• 2797620

• References
• Source

• Patent Number

  2,797,620

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1957
  67 years ago

• CPC

  • B60R1/085 - using a combination of interchangeable reflecting surfaces

• US Classifications

  • 359 - Optical: systems and elements