2557158

Information

• Patent Grant
• 2557158

• References
• Source

• Patent Number

  2,557,158

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1951
  73 years ago

• CPC

  • G01V5/025 - specially adapted for use from aircraft

• US Classifications

  • 250 - Radiant energy
  • 396 - Photography