3919782

Information

• Patent Grant
• 3919782

• References
• Source

• Patent Number

  3,919,782

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • G01C17/12 - by sighting means
  • G01C17/00 - Compasses Devices for ascertaining true or magnetic north for navigation or surveying purposes

• US Classifications

  • 033 - Geometrical instruments