1666048

Information

• Patent Grant
• 1666048

• References
• Source

• Patent Number

  1,666,048

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1928
  96 years ago

• CPC

  • G03C7/10 - with regular areas of colour

• US Classifications

  • 101 - Printing
  • 430 - Radiation imagery chemistry: process, composition, or product thereof