1982333

Information

• Patent Grant
• 1982333

• References
• Source

• Patent Number

  1,982,333

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1934
  90 years ago

• CPC

  • G01R13/04 - for producing permanent records
  • G01R13/14 - Recording on a light-sensitive material

• US Classifications

  • 324 - Electricity: measuring and testing