2929672

Information

• Patent Grant
• 2929672

• References
• Source

• Patent Number

  2,929,672

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1960
  64 years ago

• CPC

  • G01R13/12 - Chemical recording

• US Classifications

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