2339481

Information

• Patent Grant
• 2339481

• References
• Source

• Patent Number

  2,339,481

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1944
  81 years ago

• CPC

  • G03F5/24 - by multiple exposure

• US Classifications

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