2855689

Information

• Patent Grant
• 2855689

• References
• Source

• Patent Number

  2,855,689

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1958
  66 years ago

• CPC

  • G01B7/285 - of propellers or turbine blades

• US Classifications

  • 033 - Geometrical instruments