2851326

Information

• Patent Grant
• 2851326

• References
• Source

• Patent Number

  2,851,326

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1958
  66 years ago

• CPC

  • G01R13/12 - Chemical recording

• US Classifications

  • 346 - Recorders
  • 324 - Electricity: measuring and testing