1996783

Information

• Patent Grant
• 1996783

• References
• Source

• Patent Number

  1,996,783

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1935
  89 years ago

• CPC

  • G01R13/38 - using the steady or oscillatory displacement of a light beam by an electromechanical measuring system

• US Classifications

  • 324 - Electricity: measuring and testing
  • 369 - Dynamic information storage or retrieval