1702412

Information

• Patent Grant
• 1702412

• References
• Source

• Patent Number

  1,702,412

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1929
  95 years ago

• CPC

  • G01R13/12 - Chemical recording

• US Classifications

  • 346 - Recorders
  • 430 - Radiation imagery chemistry: process, composition, or product thereof