3440048

Information

• Patent Grant
• 3440048

• References
• Source

• Patent Number

  3,440,048

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • G03F5/24 - by multiple exposure

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 436 - Chemistry: analytical and immunological testing